Home / 45,123.36-62,287.68-40,399.44

Finding the Fourth Proportional to 45,123.36, 62,287.68 and 40,399.44

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Solution

The fourth proportional to 45,123.36, 62,287.68 and 40,399.44 is: 55,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,123.36 : 62,287.68 = 40,399.44 : x
  2. Step 2: Convert to fraction form
    45,123.36/62,287.68 = 40,399.44/x
  3. Step 3: Cross multiply
    45,123.36x = 62,287.68 × 40,399.44
  4. Step 4: Simplify right side
    45,123.36x = 2,516,387,390.90
  5. Step 5: Solve for x
    x = 2,516,387,390.90/45,123.36
  6. Step 6: Final answer
    x = 55,766.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.