Home / 31,581.68-47,334.80-14,691.84

Finding the Fourth Proportional to 31,581.68, 47,334.80 and 14,691.84

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Solution

The fourth proportional to 31,581.68, 47,334.80 and 14,691.84 is: 22,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.68 : 47,334.80 = 14,691.84 : x
  2. Step 2: Convert to fraction form
    31,581.68/47,334.80 = 14,691.84/x
  3. Step 3: Cross multiply
    31,581.68x = 47,334.80 × 14,691.84
  4. Step 4: Simplify right side
    31,581.68x = 695,435,308.03
  5. Step 5: Solve for x
    x = 695,435,308.03/31,581.68
  6. Step 6: Final answer
    x = 22,020.21

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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.