Home / 38,377.35-52,957.13-21,379.86

Finding the Fourth Proportional to 38,377.35, 52,957.13 and 21,379.86

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Solution

The fourth proportional to 38,377.35, 52,957.13 and 21,379.86 is: 29,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.35 : 52,957.13 = 21,379.86 : x
  2. Step 2: Convert to fraction form
    38,377.35/52,957.13 = 21,379.86/x
  3. Step 3: Cross multiply
    38,377.35x = 52,957.13 × 21,379.86
  4. Step 4: Simplify right side
    38,377.35x = 1,132,215,918.50
  5. Step 5: Solve for x
    x = 1,132,215,918.50/38,377.35
  6. Step 6: Final answer
    x = 29,502.19

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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.