Home / 29,379.31-40,542.32-15,950.22

Finding the Fourth Proportional to 29,379.31, 40,542.32 and 15,950.22

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Solution

The fourth proportional to 29,379.31, 40,542.32 and 15,950.22 is: 22,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.31 : 40,542.32 = 15,950.22 : x
  2. Step 2: Convert to fraction form
    29,379.31/40,542.32 = 15,950.22/x
  3. Step 3: Cross multiply
    29,379.31x = 40,542.32 × 15,950.22
  4. Step 4: Simplify right side
    29,379.31x = 646,658,811.15
  5. Step 5: Solve for x
    x = 646,658,811.15/29,379.31
  6. Step 6: Final answer
    x = 22,010.69

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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.