Home / 45,047.72-67,542.96-39,512.18

Finding the Fourth Proportional to 45,047.72, 67,542.96 and 39,512.18

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Solution

The fourth proportional to 45,047.72, 67,542.96 and 39,512.18 is: 59,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,047.72 : 67,542.96 = 39,512.18 : x
  2. Step 2: Convert to fraction form
    45,047.72/67,542.96 = 39,512.18/x
  3. Step 3: Cross multiply
    45,047.72x = 67,542.96 × 39,512.18
  4. Step 4: Simplify right side
    45,047.72x = 2,668,769,593.25
  5. Step 5: Solve for x
    x = 2,668,769,593.25/45,047.72
  6. Step 6: Final answer
    x = 59,243.17

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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.