Home / 51,864.85-71,422.89-45,055.76

Finding the Fourth Proportional to 51,864.85, 71,422.89 and 45,055.76

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Solution

The fourth proportional to 51,864.85, 71,422.89 and 45,055.76 is: 62,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,864.85 : 71,422.89 = 45,055.76 : x
  2. Step 2: Convert to fraction form
    51,864.85/71,422.89 = 45,055.76/x
  3. Step 3: Cross multiply
    51,864.85x = 71,422.89 × 45,055.76
  4. Step 4: Simplify right side
    51,864.85x = 3,218,012,590.35
  5. Step 5: Solve for x
    x = 3,218,012,590.35/51,864.85
  6. Step 6: Final answer
    x = 62,046.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.