Home / 42,169.20-63,253.80-40,419.60

Finding the Fourth Proportional to 42,169.20, 63,253.80 and 40,419.60

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Solution

The fourth proportional to 42,169.20, 63,253.80 and 40,419.60 is: 60,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.20 : 63,253.80 = 40,419.60 : x
  2. Step 2: Convert to fraction form
    42,169.20/63,253.80 = 40,419.60/x
  3. Step 3: Cross multiply
    42,169.20x = 63,253.80 × 40,419.60
  4. Step 4: Simplify right side
    42,169.20x = 2,556,693,294.48
  5. Step 5: Solve for x
    x = 2,556,693,294.48/42,169.20
  6. Step 6: Final answer
    x = 60,629.40

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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.