Home / 50,680.32-69,938.47-28,020.30

Finding the Fourth Proportional to 50,680.32, 69,938.47 and 28,020.30

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Solution

The fourth proportional to 50,680.32, 69,938.47 and 28,020.30 is: 38,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,680.32 : 69,938.47 = 28,020.30 : x
  2. Step 2: Convert to fraction form
    50,680.32/69,938.47 = 28,020.30/x
  3. Step 3: Cross multiply
    50,680.32x = 69,938.47 × 28,020.30
  4. Step 4: Simplify right side
    50,680.32x = 1,959,696,910.94
  5. Step 5: Solve for x
    x = 1,959,696,910.94/50,680.32
  6. Step 6: Final answer
    x = 38,667.81

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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.