Home / 42,231.22-58,035.10-40,279.70

Finding the Fourth Proportional to 42,231.22, 58,035.10 and 40,279.70

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Solution

The fourth proportional to 42,231.22, 58,035.10 and 40,279.70 is: 55,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,231.22 : 58,035.10 = 40,279.70 : x
  2. Step 2: Convert to fraction form
    42,231.22/58,035.10 = 40,279.70/x
  3. Step 3: Cross multiply
    42,231.22x = 58,035.10 × 40,279.70
  4. Step 4: Simplify right side
    42,231.22x = 2,337,636,417.47
  5. Step 5: Solve for x
    x = 2,337,636,417.47/42,231.22
  6. Step 6: Final answer
    x = 55,353.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.