Home / 50,181.78-69,250.75-28,961.04

Finding the Fourth Proportional to 50,181.78, 69,250.75 and 28,961.04

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Solution

The fourth proportional to 50,181.78, 69,250.75 and 28,961.04 is: 39,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,181.78 : 69,250.75 = 28,961.04 : x
  2. Step 2: Convert to fraction form
    50,181.78/69,250.75 = 28,961.04/x
  3. Step 3: Cross multiply
    50,181.78x = 69,250.75 × 28,961.04
  4. Step 4: Simplify right side
    50,181.78x = 2,005,573,928.07
  5. Step 5: Solve for x
    x = 2,005,573,928.07/50,181.78
  6. Step 6: Final answer
    x = 39,966.18

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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.