Home / 47,611.38-71,398.56-25,412.64

Finding the Fourth Proportional to 47,611.38, 71,398.56 and 25,412.64

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Solution

The fourth proportional to 47,611.38, 71,398.56 and 25,412.64 is: 38,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,611.38 : 71,398.56 = 25,412.64 : x
  2. Step 2: Convert to fraction form
    47,611.38/71,398.56 = 25,412.64/x
  3. Step 3: Cross multiply
    47,611.38x = 71,398.56 × 25,412.64
  4. Step 4: Simplify right side
    47,611.38x = 1,814,425,901.80
  5. Step 5: Solve for x
    x = 1,814,425,901.80/47,611.38
  6. Step 6: Final answer
    x = 38,109.08

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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.