Home / 38,123.82-52,609.44-21,127.62

Finding the Fourth Proportional to 38,123.82, 52,609.44 and 21,127.62

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Solution

The fourth proportional to 38,123.82, 52,609.44 and 21,127.62 is: 29,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,123.82 : 52,609.44 = 21,127.62 : x
  2. Step 2: Convert to fraction form
    38,123.82/52,609.44 = 21,127.62/x
  3. Step 3: Cross multiply
    38,123.82x = 52,609.44 × 21,127.62
  4. Step 4: Simplify right side
    38,123.82x = 1,111,512,256.73
  5. Step 5: Solve for x
    x = 1,111,512,256.73/38,123.82
  6. Step 6: Final answer
    x = 29,155.32

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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.