Home / 36,488.86-54,755.36-17,790

Finding the Fourth Proportional to 36,488.86, 54,755.36 and 17,790

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Solution

The fourth proportional to 36,488.86, 54,755.36 and 17,790 is: 26,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,488.86 : 54,755.36 = 17,790 : x
  2. Step 2: Convert to fraction form
    36,488.86/54,755.36 = 17,790/x
  3. Step 3: Cross multiply
    36,488.86x = 54,755.36 × 17,790
  4. Step 4: Simplify right side
    36,488.86x = 974,097,854.40
  5. Step 5: Solve for x
    x = 974,097,854.40/36,488.86
  6. Step 6: Final answer
    x = 26,695.76

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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.