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Finding the Fourth Proportional to 60,689.44, 83,751.78 and 33,833.64

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Solution

The fourth proportional to 60,689.44, 83,751.78 and 33,833.64 is: 46,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,689.44 : 83,751.78 = 33,833.64 : x
  2. Step 2: Convert to fraction form
    60,689.44/83,751.78 = 33,833.64/x
  3. Step 3: Cross multiply
    60,689.44x = 83,751.78 × 33,833.64
  4. Step 4: Simplify right side
    60,689.44x = 2,833,627,573.88
  5. Step 5: Solve for x
    x = 2,833,627,573.88/60,689.44
  6. Step 6: Final answer
    x = 46,690.62

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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.