Home / 51,617.30-71,232.57-28,961.19

Finding the Fourth Proportional to 51,617.30, 71,232.57 and 28,961.19

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Solution

The fourth proportional to 51,617.30, 71,232.57 and 28,961.19 is: 39,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,617.30 : 71,232.57 = 28,961.19 : x
  2. Step 2: Convert to fraction form
    51,617.30/71,232.57 = 28,961.19/x
  3. Step 3: Cross multiply
    51,617.30x = 71,232.57 × 28,961.19
  4. Step 4: Simplify right side
    51,617.30x = 2,062,979,993.96
  5. Step 5: Solve for x
    x = 2,062,979,993.96/51,617.30
  6. Step 6: Final answer
    x = 39,966.84

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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.