Home / 42,519.21-63,737.46-20,326.83

Finding the Fourth Proportional to 42,519.21, 63,737.46 and 20,326.83

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Solution

The fourth proportional to 42,519.21, 63,737.46 and 20,326.83 is: 30,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,519.21 : 63,737.46 = 20,326.83 : x
  2. Step 2: Convert to fraction form
    42,519.21/63,737.46 = 20,326.83/x
  3. Step 3: Cross multiply
    42,519.21x = 63,737.46 × 20,326.83
  4. Step 4: Simplify right side
    42,519.21x = 1,295,580,514.05
  5. Step 5: Solve for x
    x = 1,295,580,514.05/42,519.21
  6. Step 6: Final answer
    x = 30,470.47

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1.5x scale

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.