Home / 38,311.92-57,526.20-31,780.08

Finding the Fourth Proportional to 38,311.92, 57,526.20 and 31,780.08

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Solution

The fourth proportional to 38,311.92, 57,526.20 and 31,780.08 is: 47,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.92 : 57,526.20 = 31,780.08 : x
  2. Step 2: Convert to fraction form
    38,311.92/57,526.20 = 31,780.08/x
  3. Step 3: Cross multiply
    38,311.92x = 57,526.20 × 31,780.08
  4. Step 4: Simplify right side
    38,311.92x = 1,828,187,238.10
  5. Step 5: Solve for x
    x = 1,828,187,238.10/38,311.92
  6. Step 6: Final answer
    x = 47,718.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.