Home / 45,302.48-67,949.88-15,715.28

Finding the Fourth Proportional to 45,302.48, 67,949.88 and 15,715.28

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Solution

The fourth proportional to 45,302.48, 67,949.88 and 15,715.28 is: 23,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.48 : 67,949.88 = 15,715.28 : x
  2. Step 2: Convert to fraction form
    45,302.48/67,949.88 = 15,715.28/x
  3. Step 3: Cross multiply
    45,302.48x = 67,949.88 × 15,715.28
  4. Step 4: Simplify right side
    45,302.48x = 1,067,851,390.17
  5. Step 5: Solve for x
    x = 1,067,851,390.17/45,302.48
  6. Step 6: Final answer
    x = 23,571.59

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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.