Home / 51,071.52-76,654.68-26,129.43

Finding the Fourth Proportional to 51,071.52, 76,654.68 and 26,129.43

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Solution

The fourth proportional to 51,071.52, 76,654.68 and 26,129.43 is: 39,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.52 : 76,654.68 = 26,129.43 : x
  2. Step 2: Convert to fraction form
    51,071.52/76,654.68 = 26,129.43/x
  3. Step 3: Cross multiply
    51,071.52x = 76,654.68 × 26,129.43
  4. Step 4: Simplify right side
    51,071.52x = 2,002,943,095.23
  5. Step 5: Solve for x
    x = 2,002,943,095.23/51,071.52
  6. Step 6: Final answer
    x = 39,218.40

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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.