Home / 52,643.10-78,968.79-17,582.88

Finding the Fourth Proportional to 52,643.10, 78,968.79 and 17,582.88

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Solution

The fourth proportional to 52,643.10, 78,968.79 and 17,582.88 is: 26,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,643.10 : 78,968.79 = 17,582.88 : x
  2. Step 2: Convert to fraction form
    52,643.10/78,968.79 = 17,582.88/x
  3. Step 3: Cross multiply
    52,643.10x = 78,968.79 × 17,582.88
  4. Step 4: Simplify right side
    52,643.10x = 1,388,498,758.32
  5. Step 5: Solve for x
    x = 1,388,498,758.32/52,643.10
  6. Step 6: Final answer
    x = 26,375.70

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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.