Home / 52,086.60-78,146.64-17,018.28

Finding the Fourth Proportional to 52,086.60, 78,146.64 and 17,018.28

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Solution

The fourth proportional to 52,086.60, 78,146.64 and 17,018.28 is: 25,532.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,086.60 : 78,146.64 = 17,018.28 : x
  2. Step 2: Convert to fraction form
    52,086.60/78,146.64 = 17,018.28/x
  3. Step 3: Cross multiply
    52,086.60x = 78,146.64 × 17,018.28
  4. Step 4: Simplify right side
    52,086.60x = 1,329,921,400.58
  5. Step 5: Solve for x
    x = 1,329,921,400.58/52,086.60
  6. Step 6: Final answer
    x = 25,532.89

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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.