Home / 42,135.88-58,158.68-26,211.28

Finding the Fourth Proportional to 42,135.88, 58,158.68 and 26,211.28

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Solution

The fourth proportional to 42,135.88, 58,158.68 and 26,211.28 is: 36,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.88 : 58,158.68 = 26,211.28 : x
  2. Step 2: Convert to fraction form
    42,135.88/58,158.68 = 26,211.28/x
  3. Step 3: Cross multiply
    42,135.88x = 58,158.68 × 26,211.28
  4. Step 4: Simplify right side
    42,135.88x = 1,524,413,445.91
  5. Step 5: Solve for x
    x = 1,524,413,445.91/42,135.88
  6. Step 6: Final answer
    x = 36,178.51

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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.