Home / 49,425.40-74,138.10-48,129.40

Finding the Fourth Proportional to 49,425.40, 74,138.10 and 48,129.40

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Solution

The fourth proportional to 49,425.40, 74,138.10 and 48,129.40 is: 72,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,425.40 : 74,138.10 = 48,129.40 : x
  2. Step 2: Convert to fraction form
    49,425.40/74,138.10 = 48,129.40/x
  3. Step 3: Cross multiply
    49,425.40x = 74,138.10 × 48,129.40
  4. Step 4: Simplify right side
    49,425.40x = 3,568,222,270.14
  5. Step 5: Solve for x
    x = 3,568,222,270.14/49,425.40
  6. Step 6: Final answer
    x = 72,194.10

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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.