Home / 51,434.96-77,164.09-18,155.27

Finding the Fourth Proportional to 51,434.96, 77,164.09 and 18,155.27

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Solution

The fourth proportional to 51,434.96, 77,164.09 and 18,155.27 is: 27,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,434.96 : 77,164.09 = 18,155.27 : x
  2. Step 2: Convert to fraction form
    51,434.96/77,164.09 = 18,155.27/x
  3. Step 3: Cross multiply
    51,434.96x = 77,164.09 × 18,155.27
  4. Step 4: Simplify right side
    51,434.96x = 1,400,935,035.78
  5. Step 5: Solve for x
    x = 1,400,935,035.78/51,434.96
  6. Step 6: Final answer
    x = 27,237.02

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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.