Home / 39,478.41-54,480.20-22,481.91

Finding the Fourth Proportional to 39,478.41, 54,480.20 and 22,481.91

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Solution

The fourth proportional to 39,478.41, 54,480.20 and 22,481.91 is: 31,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,478.41 : 54,480.20 = 22,481.91 : x
  2. Step 2: Convert to fraction form
    39,478.41/54,480.20 = 22,481.91/x
  3. Step 3: Cross multiply
    39,478.41x = 54,480.20 × 22,481.91
  4. Step 4: Simplify right side
    39,478.41x = 1,224,818,840.77
  5. Step 5: Solve for x
    x = 1,224,818,840.77/39,478.41
  6. Step 6: Final answer
    x = 31,025.03

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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.