Home / 49,415.40-74,268.90-43,000.20

Finding the Fourth Proportional to 49,415.40, 74,268.90 and 43,000.20

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Solution

The fourth proportional to 49,415.40, 74,268.90 and 43,000.20 is: 64,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,415.40 : 74,268.90 = 43,000.20 : x
  2. Step 2: Convert to fraction form
    49,415.40/74,268.90 = 43,000.20/x
  3. Step 3: Cross multiply
    49,415.40x = 74,268.90 × 43,000.20
  4. Step 4: Simplify right side
    49,415.40x = 3,193,577,553.78
  5. Step 5: Solve for x
    x = 3,193,577,553.78/49,415.40
  6. Step 6: Final answer
    x = 64,627.17

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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.