Home / 53,717.52-80,564.13-20,425.71

Finding the Fourth Proportional to 53,717.52, 80,564.13 and 20,425.71

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Solution

The fourth proportional to 53,717.52, 80,564.13 and 20,425.71 is: 30,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,717.52 : 80,564.13 = 20,425.71 : x
  2. Step 2: Convert to fraction form
    53,717.52/80,564.13 = 20,425.71/x
  3. Step 3: Cross multiply
    53,717.52x = 80,564.13 × 20,425.71
  4. Step 4: Simplify right side
    53,717.52x = 1,645,579,555.78
  5. Step 5: Solve for x
    x = 1,645,579,555.78/53,717.52
  6. Step 6: Final answer
    x = 30,633.95

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1.5x scale

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.