Home / 50,856.16-70,179.60-28,498.72

Finding the Fourth Proportional to 50,856.16, 70,179.60 and 28,498.72

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Solution

The fourth proportional to 50,856.16, 70,179.60 and 28,498.72 is: 39,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,856.16 : 70,179.60 = 28,498.72 : x
  2. Step 2: Convert to fraction form
    50,856.16/70,179.60 = 28,498.72/x
  3. Step 3: Cross multiply
    50,856.16x = 70,179.60 × 28,498.72
  4. Step 4: Simplify right side
    50,856.16x = 2,000,028,770.11
  5. Step 5: Solve for x
    x = 2,000,028,770.11/50,856.16
  6. Step 6: Final answer
    x = 39,327.17

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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.