Home / 47,331.20-70,921.20-25,115.60

Finding the Fourth Proportional to 47,331.20, 70,921.20 and 25,115.60

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Solution

The fourth proportional to 47,331.20, 70,921.20 and 25,115.60 is: 37,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,331.20 : 70,921.20 = 25,115.60 : x
  2. Step 2: Convert to fraction form
    47,331.20/70,921.20 = 25,115.60/x
  3. Step 3: Cross multiply
    47,331.20x = 70,921.20 × 25,115.60
  4. Step 4: Simplify right side
    47,331.20x = 1,781,228,490.72
  5. Step 5: Solve for x
    x = 1,781,228,490.72/47,331.20
  6. Step 6: Final answer
    x = 37,633.28

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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.