Home / 50,917.20-70,263.88-28,257.18

Finding the Fourth Proportional to 50,917.20, 70,263.88 and 28,257.18

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Solution

The fourth proportional to 50,917.20, 70,263.88 and 28,257.18 is: 38,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,917.20 : 70,263.88 = 28,257.18 : x
  2. Step 2: Convert to fraction form
    50,917.20/70,263.88 = 28,257.18/x
  3. Step 3: Cross multiply
    50,917.20x = 70,263.88 × 28,257.18
  4. Step 4: Simplify right side
    50,917.20x = 1,985,459,104.66
  5. Step 5: Solve for x
    x = 1,985,459,104.66/50,917.20
  6. Step 6: Final answer
    x = 38,993.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.