Home / 42,119.57-63,126.30-36,842.02

Finding the Fourth Proportional to 42,119.57, 63,126.30 and 36,842.02

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Solution

The fourth proportional to 42,119.57, 63,126.30 and 36,842.02 is: 55,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,119.57 : 63,126.30 = 36,842.02 : x
  2. Step 2: Convert to fraction form
    42,119.57/63,126.30 = 36,842.02/x
  3. Step 3: Cross multiply
    42,119.57x = 63,126.30 × 36,842.02
  4. Step 4: Simplify right side
    42,119.57x = 2,325,700,407.13
  5. Step 5: Solve for x
    x = 2,325,700,407.13/42,119.57
  6. Step 6: Final answer
    x = 55,216.62

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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.