Home / 29,349.60-40,502.48-15,920.88

Finding the Fourth Proportional to 29,349.60, 40,502.48 and 15,920.88

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Solution

The fourth proportional to 29,349.60, 40,502.48 and 15,920.88 is: 21,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,349.60 : 40,502.48 = 15,920.88 : x
  2. Step 2: Convert to fraction form
    29,349.60/40,502.48 = 15,920.88/x
  3. Step 3: Cross multiply
    29,349.60x = 40,502.48 × 15,920.88
  4. Step 4: Simplify right side
    29,349.60x = 644,835,123.78
  5. Step 5: Solve for x
    x = 644,835,123.78/29,349.60
  6. Step 6: Final answer
    x = 21,970.83

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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.