Home / 74,884.38-112,326.36-30,500.70

Finding the Fourth Proportional to 74,884.38, 112,326.36 and 30,500.70

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Solution

The fourth proportional to 74,884.38, 112,326.36 and 30,500.70 is: 45,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884.38 : 112,326.36 = 30,500.70 : x
  2. Step 2: Convert to fraction form
    74,884.38/112,326.36 = 30,500.70/x
  3. Step 3: Cross multiply
    74,884.38x = 112,326.36 × 30,500.70
  4. Step 4: Simplify right side
    74,884.38x = 3,426,032,608.45
  5. Step 5: Solve for x
    x = 3,426,032,608.45/74,884.38
  6. Step 6: Final answer
    x = 45,750.96

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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.