Home / 51,753.98-77,647.35-18,473.30

Finding the Fourth Proportional to 51,753.98, 77,647.35 and 18,473.30

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Solution

The fourth proportional to 51,753.98, 77,647.35 and 18,473.30 is: 27,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,753.98 : 77,647.35 = 18,473.30 : x
  2. Step 2: Convert to fraction form
    51,753.98/77,647.35 = 18,473.30/x
  3. Step 3: Cross multiply
    51,753.98x = 77,647.35 × 18,473.30
  4. Step 4: Simplify right side
    51,753.98x = 1,434,402,402.52
  5. Step 5: Solve for x
    x = 1,434,402,402.52/51,753.98
  6. Step 6: Final answer
    x = 27,715.79

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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.