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Finding the Fourth Proportional to 50,785.88, 70,060.98 and 32,886.68

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Solution

The fourth proportional to 50,785.88, 70,060.98 and 32,886.68 is: 45,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.88 : 70,060.98 = 32,886.68 : x
  2. Step 2: Convert to fraction form
    50,785.88/70,060.98 = 32,886.68/x
  3. Step 3: Cross multiply
    50,785.88x = 70,060.98 × 32,886.68
  4. Step 4: Simplify right side
    50,785.88x = 2,304,073,029.75
  5. Step 5: Solve for x
    x = 2,304,073,029.75/50,785.88
  6. Step 6: Final answer
    x = 45,368.38

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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.