Home / 47,559.86-71,278.71-17,942.40

Finding the Fourth Proportional to 47,559.86, 71,278.71 and 17,942.40

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Solution

The fourth proportional to 47,559.86, 71,278.71 and 17,942.40 is: 26,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,559.86 : 71,278.71 = 17,942.40 : x
  2. Step 2: Convert to fraction form
    47,559.86/71,278.71 = 17,942.40/x
  3. Step 3: Cross multiply
    47,559.86x = 71,278.71 × 17,942.40
  4. Step 4: Simplify right side
    47,559.86x = 1,278,911,126.30
  5. Step 5: Solve for x
    x = 1,278,911,126.30/47,559.86
  6. Step 6: Final answer
    x = 26,890.56

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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.