Home / 31,334.32-47,020.62-13,569.73

Finding the Fourth Proportional to 31,334.32, 47,020.62 and 13,569.73

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Solution

The fourth proportional to 31,334.32, 47,020.62 and 13,569.73 is: 20,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.32 : 47,020.62 = 13,569.73 : x
  2. Step 2: Convert to fraction form
    31,334.32/47,020.62 = 13,569.73/x
  3. Step 3: Cross multiply
    31,334.32x = 47,020.62 × 13,569.73
  4. Step 4: Simplify right side
    31,334.32x = 638,057,176.61
  5. Step 5: Solve for x
    x = 638,057,176.61/31,334.32
  6. Step 6: Final answer
    x = 20,362.88

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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.