Home / 52,162.80-78,209.62-18,878.52

Finding the Fourth Proportional to 52,162.80, 78,209.62 and 18,878.52

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Solution

The fourth proportional to 52,162.80, 78,209.62 and 18,878.52 is: 28,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,162.80 : 78,209.62 = 18,878.52 : x
  2. Step 2: Convert to fraction form
    52,162.80/78,209.62 = 18,878.52/x
  3. Step 3: Cross multiply
    52,162.80x = 78,209.62 × 18,878.52
  4. Step 4: Simplify right side
    52,162.80x = 1,476,481,875.36
  5. Step 5: Solve for x
    x = 1,476,481,875.36/52,162.80
  6. Step 6: Final answer
    x = 28,305.26

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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.