Home / 42,230.22-58,033.73-40,278.70

Finding the Fourth Proportional to 42,230.22, 58,033.73 and 40,278.70

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Solution

The fourth proportional to 42,230.22, 58,033.73 and 40,278.70 is: 55,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,230.22 : 58,033.73 = 40,278.70 : x
  2. Step 2: Convert to fraction form
    42,230.22/58,033.73 = 40,278.70/x
  3. Step 3: Cross multiply
    42,230.22x = 58,033.73 × 40,278.70
  4. Step 4: Simplify right side
    42,230.22x = 2,337,523,200.55
  5. Step 5: Solve for x
    x = 2,337,523,200.55/42,230.22
  6. Step 6: Final answer
    x = 55,351.91

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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.