Home / 31,542.78-47,306.87-9,350.81

Finding the Fourth Proportional to 31,542.78, 47,306.87 and 9,350.81

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Solution

The fourth proportional to 31,542.78, 47,306.87 and 9,350.81 is: 14,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.78 : 47,306.87 = 9,350.81 : x
  2. Step 2: Convert to fraction form
    31,542.78/47,306.87 = 9,350.81/x
  3. Step 3: Cross multiply
    31,542.78x = 47,306.87 × 9,350.81
  4. Step 4: Simplify right side
    31,542.78x = 442,357,534.84
  5. Step 5: Solve for x
    x = 442,357,534.84/31,542.78
  6. Step 6: Final answer
    x = 14,024.05

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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.