Home / 52,141.17-78,211.72-18,853.43

Finding the Fourth Proportional to 52,141.17, 78,211.72 and 18,853.43

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Solution

The fourth proportional to 52,141.17, 78,211.72 and 18,853.43 is: 28,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,141.17 : 78,211.72 = 18,853.43 : x
  2. Step 2: Convert to fraction form
    52,141.17/78,211.72 = 18,853.43/x
  3. Step 3: Cross multiply
    52,141.17x = 78,211.72 × 18,853.43
  4. Step 4: Simplify right side
    52,141.17x = 1,474,559,093.93
  5. Step 5: Solve for x
    x = 1,474,559,093.93/52,141.17
  6. Step 6: Final answer
    x = 28,280.13

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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.