Home / 42,439.68-63,555.84-36,633.60

Finding the Fourth Proportional to 42,439.68, 63,555.84 and 36,633.60

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Solution

The fourth proportional to 42,439.68, 63,555.84 and 36,633.60 is: 54,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,439.68 : 63,555.84 = 36,633.60 : x
  2. Step 2: Convert to fraction form
    42,439.68/63,555.84 = 36,633.60/x
  3. Step 3: Cross multiply
    42,439.68x = 63,555.84 × 36,633.60
  4. Step 4: Simplify right side
    42,439.68x = 2,328,279,220.22
  5. Step 5: Solve for x
    x = 2,328,279,220.22/42,439.68
  6. Step 6: Final answer
    x = 54,860.90

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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.