Home / 52,282.38-78,374.52-18,994.08

Finding the Fourth Proportional to 52,282.38, 78,374.52 and 18,994.08

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Solution

The fourth proportional to 52,282.38, 78,374.52 and 18,994.08 is: 28,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,282.38 : 78,374.52 = 18,994.08 : x
  2. Step 2: Convert to fraction form
    52,282.38/78,374.52 = 18,994.08/x
  3. Step 3: Cross multiply
    52,282.38x = 78,374.52 × 18,994.08
  4. Step 4: Simplify right side
    52,282.38x = 1,488,651,902.84
  5. Step 5: Solve for x
    x = 1,488,651,902.84/52,282.38
  6. Step 6: Final answer
    x = 28,473.30

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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.