Home / 56,727.60-85,091.40-42,001.80

Finding the Fourth Proportional to 56,727.60, 85,091.40 and 42,001.80

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Solution

The fourth proportional to 56,727.60, 85,091.40 and 42,001.80 is: 63,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,727.60 : 85,091.40 = 42,001.80 : x
  2. Step 2: Convert to fraction form
    56,727.60/85,091.40 = 42,001.80/x
  3. Step 3: Cross multiply
    56,727.60x = 85,091.40 × 42,001.80
  4. Step 4: Simplify right side
    56,727.60x = 3,573,991,964.52
  5. Step 5: Solve for x
    x = 3,573,991,964.52/56,727.60
  6. Step 6: Final answer
    x = 63,002.70

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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.