Home / 41,402.92-57,009.48-31,208.76

Finding the Fourth Proportional to 41,402.92, 57,009.48 and 31,208.76

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Solution

The fourth proportional to 41,402.92, 57,009.48 and 31,208.76 is: 42,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,402.92 : 57,009.48 = 31,208.76 : x
  2. Step 2: Convert to fraction form
    41,402.92/57,009.48 = 31,208.76/x
  3. Step 3: Cross multiply
    41,402.92x = 57,009.48 × 31,208.76
  4. Step 4: Simplify right side
    41,402.92x = 1,779,195,179.04
  5. Step 5: Solve for x
    x = 1,779,195,179.04/41,402.92
  6. Step 6: Final answer
    x = 42,972.70

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Half scale
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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.