Home / 47,543.47-71,330.12-28,589.92

Finding the Fourth Proportional to 47,543.47, 71,330.12 and 28,589.92

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Solution

The fourth proportional to 47,543.47, 71,330.12 and 28,589.92 is: 42,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,543.47 : 71,330.12 = 28,589.92 : x
  2. Step 2: Convert to fraction form
    47,543.47/71,330.12 = 28,589.92/x
  3. Step 3: Cross multiply
    47,543.47x = 71,330.12 × 28,589.92
  4. Step 4: Simplify right side
    47,543.47x = 2,039,322,424.39
  5. Step 5: Solve for x
    x = 2,039,322,424.39/47,543.47
  6. Step 6: Final answer
    x = 42,893.85

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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.