Home / 39,612.05-54,659.42-23,690.69

Finding the Fourth Proportional to 39,612.05, 54,659.42 and 23,690.69

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Solution

The fourth proportional to 39,612.05, 54,659.42 and 23,690.69 is: 32,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.05 : 54,659.42 = 23,690.69 : x
  2. Step 2: Convert to fraction form
    39,612.05/54,659.42 = 23,690.69/x
  3. Step 3: Cross multiply
    39,612.05x = 54,659.42 × 23,690.69
  4. Step 4: Simplify right side
    39,612.05x = 1,294,919,374.80
  5. Step 5: Solve for x
    x = 1,294,919,374.80/39,612.05
  6. Step 6: Final answer
    x = 32,690.04

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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.