Home / 50,875.15-70,207.70-28,217.61

Finding the Fourth Proportional to 50,875.15, 70,207.70 and 28,217.61

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Solution

The fourth proportional to 50,875.15, 70,207.70 and 28,217.61 is: 38,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875.15 : 70,207.70 = 28,217.61 : x
  2. Step 2: Convert to fraction form
    50,875.15/70,207.70 = 28,217.61/x
  3. Step 3: Cross multiply
    50,875.15x = 70,207.70 × 28,217.61
  4. Step 4: Simplify right side
    50,875.15x = 1,981,093,621.05
  5. Step 5: Solve for x
    x = 1,981,093,621.05/50,875.15
  6. Step 6: Final answer
    x = 38,940.30

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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.