Home / 47,056.08-70,593.15-18,978.97

Finding the Fourth Proportional to 47,056.08, 70,593.15 and 18,978.97

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Solution

The fourth proportional to 47,056.08, 70,593.15 and 18,978.97 is: 28,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,056.08 : 70,593.15 = 18,978.97 : x
  2. Step 2: Convert to fraction form
    47,056.08/70,593.15 = 18,978.97/x
  3. Step 3: Cross multiply
    47,056.08x = 70,593.15 × 18,978.97
  4. Step 4: Simplify right side
    47,056.08x = 1,339,785,276.06
  5. Step 5: Solve for x
    x = 1,339,785,276.06/47,056.08
  6. Step 6: Final answer
    x = 28,472.10

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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.