Home / 31,572.12-47,349.99-9,380.46

Finding the Fourth Proportional to 31,572.12, 47,349.99 and 9,380.46

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Solution

The fourth proportional to 31,572.12, 47,349.99 and 9,380.46 is: 14,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.12 : 47,349.99 = 9,380.46 : x
  2. Step 2: Convert to fraction form
    31,572.12/47,349.99 = 9,380.46/x
  3. Step 3: Cross multiply
    31,572.12x = 47,349.99 × 9,380.46
  4. Step 4: Simplify right side
    31,572.12x = 444,164,687.20
  5. Step 5: Solve for x
    x = 444,164,687.20/31,572.12
  6. Step 6: Final answer
    x = 14,068.26

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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.