Home / 42,118.53-58,122.68-27,761.01

Finding the Fourth Proportional to 42,118.53, 58,122.68 and 27,761.01

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Solution

The fourth proportional to 42,118.53, 58,122.68 and 27,761.01 is: 38,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,118.53 : 58,122.68 = 27,761.01 : x
  2. Step 2: Convert to fraction form
    42,118.53/58,122.68 = 27,761.01/x
  3. Step 3: Cross multiply
    42,118.53x = 58,122.68 × 27,761.01
  4. Step 4: Simplify right side
    42,118.53x = 1,613,544,161.90
  5. Step 5: Solve for x
    x = 1,613,544,161.90/42,118.53
  6. Step 6: Final answer
    x = 38,309.60

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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.