Home / 50,877.43-70,210.84-28,219.89

Finding the Fourth Proportional to 50,877.43, 70,210.84 and 28,219.89

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Solution

The fourth proportional to 50,877.43, 70,210.84 and 28,219.89 is: 38,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,877.43 : 70,210.84 = 28,219.89 : x
  2. Step 2: Convert to fraction form
    50,877.43/70,210.84 = 28,219.89/x
  3. Step 3: Cross multiply
    50,877.43x = 70,210.84 × 28,219.89
  4. Step 4: Simplify right side
    50,877.43x = 1,981,342,181.61
  5. Step 5: Solve for x
    x = 1,981,342,181.61/50,877.43
  6. Step 6: Final answer
    x = 38,943.44

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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.