Home / 51,439.01-77,167.73-18,178.39

Finding the Fourth Proportional to 51,439.01, 77,167.73 and 18,178.39

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Solution

The fourth proportional to 51,439.01, 77,167.73 and 18,178.39 is: 27,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,439.01 : 77,167.73 = 18,178.39 : x
  2. Step 2: Convert to fraction form
    51,439.01/77,167.73 = 18,178.39/x
  3. Step 3: Cross multiply
    51,439.01x = 77,167.73 × 18,178.39
  4. Step 4: Simplify right side
    51,439.01x = 1,402,784,705.52
  5. Step 5: Solve for x
    x = 1,402,784,705.52/51,439.01
  6. Step 6: Final answer
    x = 27,270.83

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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.