Home / 31,933.29-47,899.93-9,746.78

Finding the Fourth Proportional to 31,933.29, 47,899.93 and 9,746.78

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Solution

The fourth proportional to 31,933.29, 47,899.93 and 9,746.78 is: 14,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,933.29 : 47,899.93 = 9,746.78 : x
  2. Step 2: Convert to fraction form
    31,933.29/47,899.93 = 9,746.78/x
  3. Step 3: Cross multiply
    31,933.29x = 47,899.93 × 9,746.78
  4. Step 4: Simplify right side
    31,933.29x = 466,870,079.73
  5. Step 5: Solve for x
    x = 466,870,079.73/31,933.29
  6. Step 6: Final answer
    x = 14,620.17

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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.