Home / 31,832.52-47,732.40-14,287.32

Finding the Fourth Proportional to 31,832.52, 47,732.40 and 14,287.32

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Solution

The fourth proportional to 31,832.52, 47,732.40 and 14,287.32 is: 21,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,832.52 : 47,732.40 = 14,287.32 : x
  2. Step 2: Convert to fraction form
    31,832.52/47,732.40 = 14,287.32/x
  3. Step 3: Cross multiply
    31,832.52x = 47,732.40 × 14,287.32
  4. Step 4: Simplify right side
    31,832.52x = 681,968,073.17
  5. Step 5: Solve for x
    x = 681,968,073.17/31,832.52
  6. Step 6: Final answer
    x = 21,423.63

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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.