Home / 50,310.64-75,432.84-28,126.36

Finding the Fourth Proportional to 50,310.64, 75,432.84 and 28,126.36

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Solution

The fourth proportional to 50,310.64, 75,432.84 and 28,126.36 is: 42,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,310.64 : 75,432.84 = 28,126.36 : x
  2. Step 2: Convert to fraction form
    50,310.64/75,432.84 = 28,126.36/x
  3. Step 3: Cross multiply
    50,310.64x = 75,432.84 × 28,126.36
  4. Step 4: Simplify right side
    50,310.64x = 2,121,651,213.66
  5. Step 5: Solve for x
    x = 2,121,651,213.66/50,310.64
  6. Step 6: Final answer
    x = 42,171.02

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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.