Home / 63,131.20-94,711.36-18,756.96

Finding the Fourth Proportional to 63,131.20, 94,711.36 and 18,756.96

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Solution

The fourth proportional to 63,131.20, 94,711.36 and 18,756.96 is: 28,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,131.20 : 94,711.36 = 18,756.96 : x
  2. Step 2: Convert to fraction form
    63,131.20/94,711.36 = 18,756.96/x
  3. Step 3: Cross multiply
    63,131.20x = 94,711.36 × 18,756.96
  4. Step 4: Simplify right side
    63,131.20x = 1,776,497,191.07
  5. Step 5: Solve for x
    x = 1,776,497,191.07/63,131.20
  6. Step 6: Final answer
    x = 28,139.77

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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.