Home / 31,355.20-47,032.80-10,593.28

Finding the Fourth Proportional to 31,355.20, 47,032.80 and 10,593.28

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Solution

The fourth proportional to 31,355.20, 47,032.80 and 10,593.28 is: 15,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.20 : 47,032.80 = 10,593.28 : x
  2. Step 2: Convert to fraction form
    31,355.20/47,032.80 = 10,593.28/x
  3. Step 3: Cross multiply
    31,355.20x = 47,032.80 × 10,593.28
  4. Step 4: Simplify right side
    31,355.20x = 498,231,619.58
  5. Step 5: Solve for x
    x = 498,231,619.58/31,355.20
  6. Step 6: Final answer
    x = 15,889.92

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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.