Home / 53,069.38-79,591.31-15,619.28

Finding the Fourth Proportional to 53,069.38, 79,591.31 and 15,619.28

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Solution

The fourth proportional to 53,069.38, 79,591.31 and 15,619.28 is: 23,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,069.38 : 79,591.31 = 15,619.28 : x
  2. Step 2: Convert to fraction form
    53,069.38/79,591.31 = 15,619.28/x
  3. Step 3: Cross multiply
    53,069.38x = 79,591.31 × 15,619.28
  4. Step 4: Simplify right side
    53,069.38x = 1,243,158,986.68
  5. Step 5: Solve for x
    x = 1,243,158,986.68/53,069.38
  6. Step 6: Final answer
    x = 23,425.17

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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.