Home / 53,086.69-79,617.28-15,636.65

Finding the Fourth Proportional to 53,086.69, 79,617.28 and 15,636.65

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Solution

The fourth proportional to 53,086.69, 79,617.28 and 15,636.65 is: 23,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.69 : 79,617.28 = 15,636.65 : x
  2. Step 2: Convert to fraction form
    53,086.69/79,617.28 = 15,636.65/x
  3. Step 3: Cross multiply
    53,086.69x = 79,617.28 × 15,636.65
  4. Step 4: Simplify right side
    53,086.69x = 1,244,947,065.04
  5. Step 5: Solve for x
    x = 1,244,947,065.04/53,086.69
  6. Step 6: Final answer
    x = 23,451.21

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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.