Home / 42,207.12-58,245.21-23,086.44

Finding the Fourth Proportional to 42,207.12, 58,245.21 and 23,086.44

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Solution

The fourth proportional to 42,207.12, 58,245.21 and 23,086.44 is: 31,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207.12 : 58,245.21 = 23,086.44 : x
  2. Step 2: Convert to fraction form
    42,207.12/58,245.21 = 23,086.44/x
  3. Step 3: Cross multiply
    42,207.12x = 58,245.21 × 23,086.44
  4. Step 4: Simplify right side
    42,207.12x = 1,344,674,545.95
  5. Step 5: Solve for x
    x = 1,344,674,545.95/42,207.12
  6. Step 6: Final answer
    x = 31,858.95

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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.