Home / 42,449.81-63,666.54-40,342.46

Finding the Fourth Proportional to 42,449.81, 63,666.54 and 40,342.46

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Solution

The fourth proportional to 42,449.81, 63,666.54 and 40,342.46 is: 60,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,449.81 : 63,666.54 = 40,342.46 : x
  2. Step 2: Convert to fraction form
    42,449.81/63,666.54 = 40,342.46/x
  3. Step 3: Cross multiply
    42,449.81x = 63,666.54 × 40,342.46
  4. Step 4: Simplify right side
    42,449.81x = 2,568,464,524.96
  5. Step 5: Solve for x
    x = 2,568,464,524.96/42,449.81
  6. Step 6: Final answer
    x = 60,505.92

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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.