Home / 53,159.67-79,756.44-15,719.97

Finding the Fourth Proportional to 53,159.67, 79,756.44 and 15,719.97

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Solution

The fourth proportional to 53,159.67, 79,756.44 and 15,719.97 is: 23,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.67 : 79,756.44 = 15,719.97 : x
  2. Step 2: Convert to fraction form
    53,159.67/79,756.44 = 15,719.97/x
  3. Step 3: Cross multiply
    53,159.67x = 79,756.44 × 15,719.97
  4. Step 4: Simplify right side
    53,159.67x = 1,253,768,844.11
  5. Step 5: Solve for x
    x = 1,253,768,844.11/53,159.67
  6. Step 6: Final answer
    x = 23,584.96

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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.