Home / 33,312.38-45,969.72-18,205.55

Finding the Fourth Proportional to 33,312.38, 45,969.72 and 18,205.55

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Solution

The fourth proportional to 33,312.38, 45,969.72 and 18,205.55 is: 25,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.38 : 45,969.72 = 18,205.55 : x
  2. Step 2: Convert to fraction form
    33,312.38/45,969.72 = 18,205.55/x
  3. Step 3: Cross multiply
    33,312.38x = 45,969.72 × 18,205.55
  4. Step 4: Simplify right side
    33,312.38x = 836,904,035.95
  5. Step 5: Solve for x
    x = 836,904,035.95/33,312.38
  6. Step 6: Final answer
    x = 25,122.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.