Home / 42,327.60-63,637.80-39,586.80

Finding the Fourth Proportional to 42,327.60, 63,637.80 and 39,586.80

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Solution

The fourth proportional to 42,327.60, 63,637.80 and 39,586.80 is: 59,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,327.60 : 63,637.80 = 39,586.80 : x
  2. Step 2: Convert to fraction form
    42,327.60/63,637.80 = 39,586.80/x
  3. Step 3: Cross multiply
    42,327.60x = 63,637.80 × 39,586.80
  4. Step 4: Simplify right side
    42,327.60x = 2,519,216,861.04
  5. Step 5: Solve for x
    x = 2,519,216,861.04/42,327.60
  6. Step 6: Final answer
    x = 59,517.12

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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.