Home / 50,876.89-70,214.42-28,223.18

Finding the Fourth Proportional to 50,876.89, 70,214.42 and 28,223.18

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Solution

The fourth proportional to 50,876.89, 70,214.42 and 28,223.18 is: 38,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,876.89 : 70,214.42 = 28,223.18 : x
  2. Step 2: Convert to fraction form
    50,876.89/70,214.42 = 28,223.18/x
  3. Step 3: Cross multiply
    50,876.89x = 70,214.42 × 28,223.18
  4. Step 4: Simplify right side
    50,876.89x = 1,981,673,880.18
  5. Step 5: Solve for x
    x = 1,981,673,880.18/50,876.89
  6. Step 6: Final answer
    x = 38,950.38

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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.