Home / 42,000.66-63,010.21-30,873.61

Finding the Fourth Proportional to 42,000.66, 63,010.21 and 30,873.61

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Solution

The fourth proportional to 42,000.66, 63,010.21 and 30,873.61 is: 46,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.66 : 63,010.21 = 30,873.61 : x
  2. Step 2: Convert to fraction form
    42,000.66/63,010.21 = 30,873.61/x
  3. Step 3: Cross multiply
    42,000.66x = 63,010.21 × 30,873.61
  4. Step 4: Simplify right side
    42,000.66x = 1,945,352,649.56
  5. Step 5: Solve for x
    x = 1,945,352,649.56/42,000.66
  6. Step 6: Final answer
    x = 46,317.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.