Home / 50,811.71-70,120.08-28,152.77

Finding the Fourth Proportional to 50,811.71, 70,120.08 and 28,152.77

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Solution

The fourth proportional to 50,811.71, 70,120.08 and 28,152.77 is: 38,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.71 : 70,120.08 = 28,152.77 : x
  2. Step 2: Convert to fraction form
    50,811.71/70,120.08 = 28,152.77/x
  3. Step 3: Cross multiply
    50,811.71x = 70,120.08 × 28,152.77
  4. Step 4: Simplify right side
    50,811.71x = 1,974,074,134.02
  5. Step 5: Solve for x
    x = 1,974,074,134.02/50,811.71
  6. Step 6: Final answer
    x = 38,850.78

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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.