Home / 31,824.20-47,736.45-9,637.79

Finding the Fourth Proportional to 31,824.20, 47,736.45 and 9,637.79

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Solution

The fourth proportional to 31,824.20, 47,736.45 and 9,637.79 is: 14,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.20 : 47,736.45 = 9,637.79 : x
  2. Step 2: Convert to fraction form
    31,824.20/47,736.45 = 9,637.79/x
  3. Step 3: Cross multiply
    31,824.20x = 47,736.45 × 9,637.79
  4. Step 4: Simplify right side
    31,824.20x = 460,073,641.76
  5. Step 5: Solve for x
    x = 460,073,641.76/31,824.20
  6. Step 6: Final answer
    x = 14,456.72

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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.