Home / 42,412.20-63,618.30-39,204.60

Finding the Fourth Proportional to 42,412.20, 63,618.30 and 39,204.60

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Solution

The fourth proportional to 42,412.20, 63,618.30 and 39,204.60 is: 58,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,412.20 : 63,618.30 = 39,204.60 : x
  2. Step 2: Convert to fraction form
    42,412.20/63,618.30 = 39,204.60/x
  3. Step 3: Cross multiply
    42,412.20x = 63,618.30 × 39,204.60
  4. Step 4: Simplify right side
    42,412.20x = 2,494,130,004.18
  5. Step 5: Solve for x
    x = 2,494,130,004.18/42,412.20
  6. Step 6: Final answer
    x = 58,806.90

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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.