Home / 31,841.24-47,753.65-13,126.59

Finding the Fourth Proportional to 31,841.24, 47,753.65 and 13,126.59

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Solution

The fourth proportional to 31,841.24, 47,753.65 and 13,126.59 is: 19,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,841.24 : 47,753.65 = 13,126.59 : x
  2. Step 2: Convert to fraction form
    31,841.24/47,753.65 = 13,126.59/x
  3. Step 3: Cross multiply
    31,841.24x = 47,753.65 × 13,126.59
  4. Step 4: Simplify right side
    31,841.24x = 626,842,600.96
  5. Step 5: Solve for x
    x = 626,842,600.96/31,841.24
  6. Step 6: Final answer
    x = 19,686.50

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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.