Home / 39,379.79-54,282.15-32,995.10

Finding the Fourth Proportional to 39,379.79, 54,282.15 and 32,995.10

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Solution

The fourth proportional to 39,379.79, 54,282.15 and 32,995.10 is: 45,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.79 : 54,282.15 = 32,995.10 : x
  2. Step 2: Convert to fraction form
    39,379.79/54,282.15 = 32,995.10/x
  3. Step 3: Cross multiply
    39,379.79x = 54,282.15 × 32,995.10
  4. Step 4: Simplify right side
    39,379.79x = 1,791,045,103.17
  5. Step 5: Solve for x
    x = 1,791,045,103.17/39,379.79
  6. Step 6: Final answer
    x = 45,481.32

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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.