Home / 53,267.42-79,901.14-18,207.38

Finding the Fourth Proportional to 53,267.42, 79,901.14 and 18,207.38

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Solution

The fourth proportional to 53,267.42, 79,901.14 and 18,207.38 is: 27,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.42 : 79,901.14 = 18,207.38 : x
  2. Step 2: Convert to fraction form
    53,267.42/79,901.14 = 18,207.38/x
  3. Step 3: Cross multiply
    53,267.42x = 79,901.14 × 18,207.38
  4. Step 4: Simplify right side
    53,267.42x = 1,454,790,418.41
  5. Step 5: Solve for x
    x = 1,454,790,418.41/53,267.42
  6. Step 6: Final answer
    x = 27,311.07

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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.