Home / 34,549.74-47,682.27-20,403.90

Finding the Fourth Proportional to 34,549.74, 47,682.27 and 20,403.90

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Solution

The fourth proportional to 34,549.74, 47,682.27 and 20,403.90 is: 28,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,549.74 : 47,682.27 = 20,403.90 : x
  2. Step 2: Convert to fraction form
    34,549.74/47,682.27 = 20,403.90/x
  3. Step 3: Cross multiply
    34,549.74x = 47,682.27 × 20,403.90
  4. Step 4: Simplify right side
    34,549.74x = 972,904,268.85
  5. Step 5: Solve for x
    x = 972,904,268.85/34,549.74
  6. Step 6: Final answer
    x = 28,159.53

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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.