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Finding the Fourth Proportional to 50,685.60, 69,955.62 and 29,467.92

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Solution

The fourth proportional to 50,685.60, 69,955.62 and 29,467.92 is: 40,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,685.60 : 69,955.62 = 29,467.92 : x
  2. Step 2: Convert to fraction form
    50,685.60/69,955.62 = 29,467.92/x
  3. Step 3: Cross multiply
    50,685.60x = 69,955.62 × 29,467.92
  4. Step 4: Simplify right side
    50,685.60x = 2,061,446,613.71
  5. Step 5: Solve for x
    x = 2,061,446,613.71/50,685.60
  6. Step 6: Final answer
    x = 40,671.25

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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.