Home / 52,246.60-78,335.82-18,960.36

Finding the Fourth Proportional to 52,246.60, 78,335.82 and 18,960.36

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Solution

The fourth proportional to 52,246.60, 78,335.82 and 18,960.36 is: 28,428.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,246.60 : 78,335.82 = 18,960.36 : x
  2. Step 2: Convert to fraction form
    52,246.60/78,335.82 = 18,960.36/x
  3. Step 3: Cross multiply
    52,246.60x = 78,335.82 × 18,960.36
  4. Step 4: Simplify right side
    52,246.60x = 1,485,275,348.10
  5. Step 5: Solve for x
    x = 1,485,275,348.10/52,246.60
  6. Step 6: Final answer
    x = 28,428.17

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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.