Home / 31,700.16-47,534.85-15,898.41

Finding the Fourth Proportional to 31,700.16, 47,534.85 and 15,898.41

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Solution

The fourth proportional to 31,700.16, 47,534.85 and 15,898.41 is: 23,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.16 : 47,534.85 = 15,898.41 : x
  2. Step 2: Convert to fraction form
    31,700.16/47,534.85 = 15,898.41/x
  3. Step 3: Cross multiply
    31,700.16x = 47,534.85 × 15,898.41
  4. Step 4: Simplify right side
    31,700.16x = 755,728,534.59
  5. Step 5: Solve for x
    x = 755,728,534.59/31,700.16
  6. Step 6: Final answer
    x = 23,839.90

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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.