Home / 53,308.20-79,788.71-39,262.70

Finding the Fourth Proportional to 53,308.20, 79,788.71 and 39,262.70

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Solution

The fourth proportional to 53,308.20, 79,788.71 and 39,262.70 is: 58,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.20 : 79,788.71 = 39,262.70 : x
  2. Step 2: Convert to fraction form
    53,308.20/79,788.71 = 39,262.70/x
  3. Step 3: Cross multiply
    53,308.20x = 79,788.71 × 39,262.70
  4. Step 4: Simplify right side
    53,308.20x = 3,132,720,184.12
  5. Step 5: Solve for x
    x = 3,132,720,184.12/53,308.20
  6. Step 6: Final answer
    x = 58,766.20

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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.