Home / 38,085.05-52,556.72-21,088.92

Finding the Fourth Proportional to 38,085.05, 52,556.72 and 21,088.92

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Solution

The fourth proportional to 38,085.05, 52,556.72 and 21,088.92 is: 29,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,085.05 : 52,556.72 = 21,088.92 : x
  2. Step 2: Convert to fraction form
    38,085.05/52,556.72 = 21,088.92/x
  3. Step 3: Cross multiply
    38,085.05x = 52,556.72 × 21,088.92
  4. Step 4: Simplify right side
    38,085.05x = 1,108,364,463.54
  5. Step 5: Solve for x
    x = 1,108,364,463.54/38,085.05
  6. Step 6: Final answer
    x = 29,102.35

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Half scale
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Double scale
Find fourth proportional to 38,086.05, 52,558.10 and 21,089.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.