Home / 38,081.53-52,554.15-21,085.77

Finding the Fourth Proportional to 38,081.53, 52,554.15 and 21,085.77

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Solution

The fourth proportional to 38,081.53, 52,554.15 and 21,085.77 is: 29,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.53 : 52,554.15 = 21,085.77 : x
  2. Step 2: Convert to fraction form
    38,081.53/52,554.15 = 21,085.77/x
  3. Step 3: Cross multiply
    38,081.53x = 52,554.15 × 21,085.77
  4. Step 4: Simplify right side
    38,081.53x = 1,108,144,719.45
  5. Step 5: Solve for x
    x = 1,108,144,719.45/38,081.53
  6. Step 6: Final answer
    x = 29,099.27

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Double scale
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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.