Home / 42,440.68-63,557.34-36,634.60

Finding the Fourth Proportional to 42,440.68, 63,557.34 and 36,634.60

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Solution

The fourth proportional to 42,440.68, 63,557.34 and 36,634.60 is: 54,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,440.68 : 63,557.34 = 36,634.60 : x
  2. Step 2: Convert to fraction form
    42,440.68/63,557.34 = 36,634.60/x
  3. Step 3: Cross multiply
    42,440.68x = 63,557.34 × 36,634.60
  4. Step 4: Simplify right side
    42,440.68x = 2,328,397,727.96
  5. Step 5: Solve for x
    x = 2,328,397,727.96/42,440.68
  6. Step 6: Final answer
    x = 54,862.40

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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.