Home / 49,002.46-67,621.38-27,781.30

Finding the Fourth Proportional to 49,002.46, 67,621.38 and 27,781.30

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Solution

The fourth proportional to 49,002.46, 67,621.38 and 27,781.30 is: 38,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,002.46 : 67,621.38 = 27,781.30 : x
  2. Step 2: Convert to fraction form
    49,002.46/67,621.38 = 27,781.30/x
  3. Step 3: Cross multiply
    49,002.46x = 67,621.38 × 27,781.30
  4. Step 4: Simplify right side
    49,002.46x = 1,878,609,844.19
  5. Step 5: Solve for x
    x = 1,878,609,844.19/49,002.46
  6. Step 6: Final answer
    x = 38,337.05

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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.