Home / 51,549.06-77,313.86-18,267.78

Finding the Fourth Proportional to 51,549.06, 77,313.86 and 18,267.78

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Solution

The fourth proportional to 51,549.06, 77,313.86 and 18,267.78 is: 27,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549.06 : 77,313.86 = 18,267.78 : x
  2. Step 2: Convert to fraction form
    51,549.06/77,313.86 = 18,267.78/x
  3. Step 3: Cross multiply
    51,549.06x = 77,313.86 × 18,267.78
  4. Step 4: Simplify right side
    51,549.06x = 1,412,352,585.43
  5. Step 5: Solve for x
    x = 1,412,352,585.43/51,549.06
  6. Step 6: Final answer
    x = 27,398.22

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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.