Home / 47,480.38-71,220.39-19,394.38

Finding the Fourth Proportional to 47,480.38, 71,220.39 and 19,394.38

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Solution

The fourth proportional to 47,480.38, 71,220.39 and 19,394.38 is: 29,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.38 : 71,220.39 = 19,394.38 : x
  2. Step 2: Convert to fraction form
    47,480.38/71,220.39 = 19,394.38/x
  3. Step 3: Cross multiply
    47,480.38x = 71,220.39 × 19,394.38
  4. Step 4: Simplify right side
    47,480.38x = 1,381,275,307.41
  5. Step 5: Solve for x
    x = 1,381,275,307.41/47,480.38
  6. Step 6: Final answer
    x = 29,091.50

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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.