Home / 52,359.40-72,246.18-31,143.88

Finding the Fourth Proportional to 52,359.40, 72,246.18 and 31,143.88

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Solution

The fourth proportional to 52,359.40, 72,246.18 and 31,143.88 is: 42,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,359.40 : 72,246.18 = 31,143.88 : x
  2. Step 2: Convert to fraction form
    52,359.40/72,246.18 = 31,143.88/x
  3. Step 3: Cross multiply
    52,359.40x = 72,246.18 × 31,143.88
  4. Step 4: Simplify right side
    52,359.40x = 2,250,026,360.38
  5. Step 5: Solve for x
    x = 2,250,026,360.38/52,359.40
  6. Step 6: Final answer
    x = 42,972.73

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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.