Home / 50,875.29-70,207.90-28,217.74

Finding the Fourth Proportional to 50,875.29, 70,207.90 and 28,217.74

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Solution

The fourth proportional to 50,875.29, 70,207.90 and 28,217.74 is: 38,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875.29 : 70,207.90 = 28,217.74 : x
  2. Step 2: Convert to fraction form
    50,875.29/70,207.90 = 28,217.74/x
  3. Step 3: Cross multiply
    50,875.29x = 70,207.90 × 28,217.74
  4. Step 4: Simplify right side
    50,875.29x = 1,981,108,268.15
  5. Step 5: Solve for x
    x = 1,981,108,268.15/50,875.29
  6. Step 6: Final answer
    x = 38,940.48

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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.