Home / 53,716.52-80,562.63-20,424.71

Finding the Fourth Proportional to 53,716.52, 80,562.63 and 20,424.71

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Solution

The fourth proportional to 53,716.52, 80,562.63 and 20,424.71 is: 30,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716.52 : 80,562.63 = 20,424.71 : x
  2. Step 2: Convert to fraction form
    53,716.52/80,562.63 = 20,424.71/x
  3. Step 3: Cross multiply
    53,716.52x = 80,562.63 × 20,424.71
  4. Step 4: Simplify right side
    53,716.52x = 1,645,468,354.59
  5. Step 5: Solve for x
    x = 1,645,468,354.59/53,716.52
  6. Step 6: Final answer
    x = 30,632.45

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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.