Home / 39,425.32-59,034.30-30,197.80

Finding the Fourth Proportional to 39,425.32, 59,034.30 and 30,197.80

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Solution

The fourth proportional to 39,425.32, 59,034.30 and 30,197.80 is: 45,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.32 : 59,034.30 = 30,197.80 : x
  2. Step 2: Convert to fraction form
    39,425.32/59,034.30 = 30,197.80/x
  3. Step 3: Cross multiply
    39,425.32x = 59,034.30 × 30,197.80
  4. Step 4: Simplify right side
    39,425.32x = 1,782,705,984.54
  5. Step 5: Solve for x
    x = 1,782,705,984.54/39,425.32
  6. Step 6: Final answer
    x = 45,217.29

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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.