Home / 53,191.69-79,805.76-18,155.95

Finding the Fourth Proportional to 53,191.69, 79,805.76 and 18,155.95

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Solution

The fourth proportional to 53,191.69, 79,805.76 and 18,155.95 is: 27,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,191.69 : 79,805.76 = 18,155.95 : x
  2. Step 2: Convert to fraction form
    53,191.69/79,805.76 = 18,155.95/x
  3. Step 3: Cross multiply
    53,191.69x = 79,805.76 × 18,155.95
  4. Step 4: Simplify right side
    53,191.69x = 1,448,949,388.27
  5. Step 5: Solve for x
    x = 1,448,949,388.27/53,191.69
  6. Step 6: Final answer
    x = 27,240.15

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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.