Home / 51,774.18-77,609.01-20,164.47

Finding the Fourth Proportional to 51,774.18, 77,609.01 and 20,164.47

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Solution

The fourth proportional to 51,774.18, 77,609.01 and 20,164.47 is: 30,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,774.18 : 77,609.01 = 20,164.47 : x
  2. Step 2: Convert to fraction form
    51,774.18/77,609.01 = 20,164.47/x
  3. Step 3: Cross multiply
    51,774.18x = 77,609.01 × 20,164.47
  4. Step 4: Simplify right side
    51,774.18x = 1,564,944,553.87
  5. Step 5: Solve for x
    x = 1,564,944,553.87/51,774.18
  6. Step 6: Final answer
    x = 30,226.35

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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.