Home / 31,425.67-47,139.64-10,366.23

Finding the Fourth Proportional to 31,425.67, 47,139.64 and 10,366.23

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Solution

The fourth proportional to 31,425.67, 47,139.64 and 10,366.23 is: 15,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,425.67 : 47,139.64 = 10,366.23 : x
  2. Step 2: Convert to fraction form
    31,425.67/47,139.64 = 10,366.23/x
  3. Step 3: Cross multiply
    31,425.67x = 47,139.64 × 10,366.23
  4. Step 4: Simplify right side
    31,425.67x = 488,660,350.36
  5. Step 5: Solve for x
    x = 488,660,350.36/31,425.67
  6. Step 6: Final answer
    x = 15,549.72

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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.