Home / 31,729.60-47,560.90-10,649.66

Finding the Fourth Proportional to 31,729.60, 47,560.90 and 10,649.66

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Solution

The fourth proportional to 31,729.60, 47,560.90 and 10,649.66 is: 15,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.60 : 47,560.90 = 10,649.66 : x
  2. Step 2: Convert to fraction form
    31,729.60/47,560.90 = 10,649.66/x
  3. Step 3: Cross multiply
    31,729.60x = 47,560.90 × 10,649.66
  4. Step 4: Simplify right side
    31,729.60x = 506,507,414.29
  5. Step 5: Solve for x
    x = 506,507,414.29/31,729.60
  6. Step 6: Final answer
    x = 15,963.25

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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.