Home / 52,047.86-78,023.96-18,759.78

Finding the Fourth Proportional to 52,047.86, 78,023.96 and 18,759.78

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Solution

The fourth proportional to 52,047.86, 78,023.96 and 18,759.78 is: 28,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,047.86 : 78,023.96 = 18,759.78 : x
  2. Step 2: Convert to fraction form
    52,047.86/78,023.96 = 18,759.78/x
  3. Step 3: Cross multiply
    52,047.86x = 78,023.96 × 18,759.78
  4. Step 4: Simplify right side
    52,047.86x = 1,463,712,230.53
  5. Step 5: Solve for x
    x = 1,463,712,230.53/52,047.86
  6. Step 6: Final answer
    x = 28,122.43

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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.