Home / 45,122.34-67,640.94-15,519.48

Finding the Fourth Proportional to 45,122.34, 67,640.94 and 15,519.48

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Solution

The fourth proportional to 45,122.34, 67,640.94 and 15,519.48 is: 23,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,122.34 : 67,640.94 = 15,519.48 : x
  2. Step 2: Convert to fraction form
    45,122.34/67,640.94 = 15,519.48/x
  3. Step 3: Cross multiply
    45,122.34x = 67,640.94 × 15,519.48
  4. Step 4: Simplify right side
    45,122.34x = 1,049,752,215.51
  5. Step 5: Solve for x
    x = 1,049,752,215.51/45,122.34
  6. Step 6: Final answer
    x = 23,264.58

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1.5x scale

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.