Home / 51,436.74-77,184.24-20,293.86

Finding the Fourth Proportional to 51,436.74, 77,184.24 and 20,293.86

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Solution

The fourth proportional to 51,436.74, 77,184.24 and 20,293.86 is: 30,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.74 : 77,184.24 = 20,293.86 : x
  2. Step 2: Convert to fraction form
    51,436.74/77,184.24 = 20,293.86/x
  3. Step 3: Cross multiply
    51,436.74x = 77,184.24 × 20,293.86
  4. Step 4: Simplify right side
    51,436.74x = 1,566,366,160.77
  5. Step 5: Solve for x
    x = 1,566,366,160.77/51,436.74
  6. Step 6: Final answer
    x = 30,452.28

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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.