Home / 31,612.30-47,441.79-14,972.31

Finding the Fourth Proportional to 31,612.30, 47,441.79 and 14,972.31

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Solution

The fourth proportional to 31,612.30, 47,441.79 and 14,972.31 is: 22,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.30 : 47,441.79 = 14,972.31 : x
  2. Step 2: Convert to fraction form
    31,612.30/47,441.79 = 14,972.31/x
  3. Step 3: Cross multiply
    31,612.30x = 47,441.79 × 14,972.31
  4. Step 4: Simplify right side
    31,612.30x = 710,313,186.83
  5. Step 5: Solve for x
    x = 710,313,186.83/31,612.30
  6. Step 6: Final answer
    x = 22,469.52

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1.5x scale

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.