Home / 50,909.45-70,258.88-28,252.72

Finding the Fourth Proportional to 50,909.45, 70,258.88 and 28,252.72

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Solution

The fourth proportional to 50,909.45, 70,258.88 and 28,252.72 is: 38,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,909.45 : 70,258.88 = 28,252.72 : x
  2. Step 2: Convert to fraction form
    50,909.45/70,258.88 = 28,252.72/x
  3. Step 3: Cross multiply
    50,909.45x = 70,258.88 × 28,252.72
  4. Step 4: Simplify right side
    50,909.45x = 1,985,004,464.15
  5. Step 5: Solve for x
    x = 1,985,004,464.15/50,909.45
  6. Step 6: Final answer
    x = 38,990.88

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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.