Home / 49,119.28-67,755.04-29,990.32

Finding the Fourth Proportional to 49,119.28, 67,755.04 and 29,990.32

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Solution

The fourth proportional to 49,119.28, 67,755.04 and 29,990.32 is: 41,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,119.28 : 67,755.04 = 29,990.32 : x
  2. Step 2: Convert to fraction form
    49,119.28/67,755.04 = 29,990.32/x
  3. Step 3: Cross multiply
    49,119.28x = 67,755.04 × 29,990.32
  4. Step 4: Simplify right side
    49,119.28x = 2,031,995,331.21
  5. Step 5: Solve for x
    x = 2,031,995,331.21/49,119.28
  6. Step 6: Final answer
    x = 41,368.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.