Home / 31,589.48-47,385.44-10,528.68

Finding the Fourth Proportional to 31,589.48, 47,385.44 and 10,528.68

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Solution

The fourth proportional to 31,589.48, 47,385.44 and 10,528.68 is: 15,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589.48 : 47,385.44 = 10,528.68 : x
  2. Step 2: Convert to fraction form
    31,589.48/47,385.44 = 10,528.68/x
  3. Step 3: Cross multiply
    31,589.48x = 47,385.44 × 10,528.68
  4. Step 4: Simplify right side
    31,589.48x = 498,906,134.42
  5. Step 5: Solve for x
    x = 498,906,134.42/31,589.48
  6. Step 6: Final answer
    x = 15,793.43

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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.