Home / 43,177.71-64,775.29-18,217.82

Finding the Fourth Proportional to 43,177.71, 64,775.29 and 18,217.82

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Solution

The fourth proportional to 43,177.71, 64,775.29 and 18,217.82 is: 27,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,177.71 : 64,775.29 = 18,217.82 : x
  2. Step 2: Convert to fraction form
    43,177.71/64,775.29 = 18,217.82/x
  3. Step 3: Cross multiply
    43,177.71x = 64,775.29 × 18,217.82
  4. Step 4: Simplify right side
    43,177.71x = 1,180,064,249.79
  5. Step 5: Solve for x
    x = 1,180,064,249.79/43,177.71
  6. Step 6: Final answer
    x = 27,330.40

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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.