Home / 31,337.66-47,020.85-13,573.75

Finding the Fourth Proportional to 31,337.66, 47,020.85 and 13,573.75

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Solution

The fourth proportional to 31,337.66, 47,020.85 and 13,573.75 is: 20,366.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.66 : 47,020.85 = 13,573.75 : x
  2. Step 2: Convert to fraction form
    31,337.66/47,020.85 = 13,573.75/x
  3. Step 3: Cross multiply
    31,337.66x = 47,020.85 × 13,573.75
  4. Step 4: Simplify right side
    31,337.66x = 638,249,262.69
  5. Step 5: Solve for x
    x = 638,249,262.69/31,337.66
  6. Step 6: Final answer
    x = 20,366.84

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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.