Home / 31,475.39-47,245.88-13,957.52

Finding the Fourth Proportional to 31,475.39, 47,245.88 and 13,957.52

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Solution

The fourth proportional to 31,475.39, 47,245.88 and 13,957.52 is: 20,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.39 : 47,245.88 = 13,957.52 : x
  2. Step 2: Convert to fraction form
    31,475.39/47,245.88 = 13,957.52/x
  3. Step 3: Cross multiply
    31,475.39x = 47,245.88 × 13,957.52
  4. Step 4: Simplify right side
    31,475.39x = 659,435,113.68
  5. Step 5: Solve for x
    x = 659,435,113.68/31,475.39
  6. Step 6: Final answer
    x = 20,950.82

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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.