Home / 42,121.13-58,127.15-27,217.13

Finding the Fourth Proportional to 42,121.13, 58,127.15 and 27,217.13

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Solution

The fourth proportional to 42,121.13, 58,127.15 and 27,217.13 is: 37,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121.13 : 58,127.15 = 27,217.13 : x
  2. Step 2: Convert to fraction form
    42,121.13/58,127.15 = 27,217.13/x
  3. Step 3: Cross multiply
    42,121.13x = 58,127.15 × 27,217.13
  4. Step 4: Simplify right side
    42,121.13x = 1,582,053,975.49
  5. Step 5: Solve for x
    x = 1,582,053,975.49/42,121.13
  6. Step 6: Final answer
    x = 37,559.63

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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.