Home / 42,108.03-58,118.85-27,770.45

Finding the Fourth Proportional to 42,108.03, 58,118.85 and 27,770.45

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Solution

The fourth proportional to 42,108.03, 58,118.85 and 27,770.45 is: 38,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,108.03 : 58,118.85 = 27,770.45 : x
  2. Step 2: Convert to fraction form
    42,108.03/58,118.85 = 27,770.45/x
  3. Step 3: Cross multiply
    42,108.03x = 58,118.85 × 27,770.45
  4. Step 4: Simplify right side
    42,108.03x = 1,613,986,617.98
  5. Step 5: Solve for x
    x = 1,613,986,617.98/42,108.03
  6. Step 6: Final answer
    x = 38,329.66

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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.