Home / 52,115.52-78,165.12-17,054.40

Finding the Fourth Proportional to 52,115.52, 78,165.12 and 17,054.40

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Solution

The fourth proportional to 52,115.52, 78,165.12 and 17,054.40 is: 25,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115.52 : 78,165.12 = 17,054.40 : x
  2. Step 2: Convert to fraction form
    52,115.52/78,165.12 = 17,054.40/x
  3. Step 3: Cross multiply
    52,115.52x = 78,165.12 × 17,054.40
  4. Step 4: Simplify right side
    52,115.52x = 1,333,059,222.53
  5. Step 5: Solve for x
    x = 1,333,059,222.53/52,115.52
  6. Step 6: Final answer
    x = 25,578.93

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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.