Home / 53,811.47-80,717.06-25,646.15

Finding the Fourth Proportional to 53,811.47, 80,717.06 and 25,646.15

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Solution

The fourth proportional to 53,811.47, 80,717.06 and 25,646.15 is: 38,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,811.47 : 80,717.06 = 25,646.15 : x
  2. Step 2: Convert to fraction form
    53,811.47/80,717.06 = 25,646.15/x
  3. Step 3: Cross multiply
    53,811.47x = 80,717.06 × 25,646.15
  4. Step 4: Simplify right side
    53,811.47x = 2,070,081,488.85
  5. Step 5: Solve for x
    x = 2,070,081,488.85/53,811.47
  6. Step 6: Final answer
    x = 38,469.15

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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.