Home / 31,555.97-47,323.67-10,490.36

Finding the Fourth Proportional to 31,555.97, 47,323.67 and 10,490.36

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Solution

The fourth proportional to 31,555.97, 47,323.67 and 10,490.36 is: 15,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.97 : 47,323.67 = 10,490.36 : x
  2. Step 2: Convert to fraction form
    31,555.97/47,323.67 = 10,490.36/x
  3. Step 3: Cross multiply
    31,555.97x = 47,323.67 × 10,490.36
  4. Step 4: Simplify right side
    31,555.97x = 496,442,098.20
  5. Step 5: Solve for x
    x = 496,442,098.20/31,555.97
  6. Step 6: Final answer
    x = 15,732.12

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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.