Home / 31,707.28-47,562.97-10,646.47

Finding the Fourth Proportional to 31,707.28, 47,562.97 and 10,646.47

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Solution

The fourth proportional to 31,707.28, 47,562.97 and 10,646.47 is: 15,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.28 : 47,562.97 = 10,646.47 : x
  2. Step 2: Convert to fraction form
    31,707.28/47,562.97 = 10,646.47/x
  3. Step 3: Cross multiply
    31,707.28x = 47,562.97 × 10,646.47
  4. Step 4: Simplify right side
    31,707.28x = 506,377,442.17
  5. Step 5: Solve for x
    x = 506,377,442.17/31,707.28
  6. Step 6: Final answer
    x = 15,970.39

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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.