Home / 51,404.76-77,117.94-18,125.64

Finding the Fourth Proportional to 51,404.76, 77,117.94 and 18,125.64

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Solution

The fourth proportional to 51,404.76, 77,117.94 and 18,125.64 is: 27,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,404.76 : 77,117.94 = 18,125.64 : x
  2. Step 2: Convert to fraction form
    51,404.76/77,117.94 = 18,125.64/x
  3. Step 3: Cross multiply
    51,404.76x = 77,117.94 × 18,125.64
  4. Step 4: Simplify right side
    51,404.76x = 1,397,812,017.98
  5. Step 5: Solve for x
    x = 1,397,812,017.98/51,404.76
  6. Step 6: Final answer
    x = 27,192.27

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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.