Home / 52,134.07-78,201.12-18,853.39

Finding the Fourth Proportional to 52,134.07, 78,201.12 and 18,853.39

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Solution

The fourth proportional to 52,134.07, 78,201.12 and 18,853.39 is: 28,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,134.07 : 78,201.12 = 18,853.39 : x
  2. Step 2: Convert to fraction form
    52,134.07/78,201.12 = 18,853.39/x
  3. Step 3: Cross multiply
    52,134.07x = 78,201.12 × 18,853.39
  4. Step 4: Simplify right side
    52,134.07x = 1,474,356,213.80
  5. Step 5: Solve for x
    x = 1,474,356,213.80/52,134.07
  6. Step 6: Final answer
    x = 28,280.09

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1.5x scale

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.