Home / 42,108.15-58,119.02-27,770.57

Finding the Fourth Proportional to 42,108.15, 58,119.02 and 27,770.57

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Solution

The fourth proportional to 42,108.15, 58,119.02 and 27,770.57 is: 38,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,108.15 : 58,119.02 = 27,770.57 : x
  2. Step 2: Convert to fraction form
    42,108.15/58,119.02 = 27,770.57/x
  3. Step 3: Cross multiply
    42,108.15x = 58,119.02 × 27,770.57
  4. Step 4: Simplify right side
    42,108.15x = 1,613,998,689.01
  5. Step 5: Solve for x
    x = 1,613,998,689.01/42,108.15
  6. Step 6: Final answer
    x = 38,329.84

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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.