Home / 51,543.86-77,293.91-18,272.30

Finding the Fourth Proportional to 51,543.86, 77,293.91 and 18,272.30

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Solution

The fourth proportional to 51,543.86, 77,293.91 and 18,272.30 is: 27,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.86 : 77,293.91 = 18,272.30 : x
  2. Step 2: Convert to fraction form
    51,543.86/77,293.91 = 18,272.30/x
  3. Step 3: Cross multiply
    51,543.86x = 77,293.91 × 18,272.30
  4. Step 4: Simplify right side
    51,543.86x = 1,412,337,170.90
  5. Step 5: Solve for x
    x = 1,412,337,170.90/51,543.86
  6. Step 6: Final answer
    x = 27,400.69

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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.