Home / 38,085.35-52,557.12-21,089.25

Finding the Fourth Proportional to 38,085.35, 52,557.12 and 21,089.25

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Solution

The fourth proportional to 38,085.35, 52,557.12 and 21,089.25 is: 29,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,085.35 : 52,557.12 = 21,089.25 : x
  2. Step 2: Convert to fraction form
    38,085.35/52,557.12 = 21,089.25/x
  3. Step 3: Cross multiply
    38,085.35x = 52,557.12 × 21,089.25
  4. Step 4: Simplify right side
    38,085.35x = 1,108,390,242.96
  5. Step 5: Solve for x
    x = 1,108,390,242.96/38,085.35
  6. Step 6: Final answer
    x = 29,102.80

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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.