Home / 42,126.17-58,132.89-27,768.51

Finding the Fourth Proportional to 42,126.17, 58,132.89 and 27,768.51

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Solution

The fourth proportional to 42,126.17, 58,132.89 and 27,768.51 is: 38,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126.17 : 58,132.89 = 27,768.51 : x
  2. Step 2: Convert to fraction form
    42,126.17/58,132.89 = 27,768.51/x
  3. Step 3: Cross multiply
    42,126.17x = 58,132.89 × 27,768.51
  4. Step 4: Simplify right side
    42,126.17x = 1,614,263,737.29
  5. Step 5: Solve for x
    x = 1,614,263,737.29/42,126.17
  6. Step 6: Final answer
    x = 38,319.74

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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.