Home / 32,729.97-45,165.65-18,390.38

Finding the Fourth Proportional to 32,729.97, 45,165.65 and 18,390.38

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Solution

The fourth proportional to 32,729.97, 45,165.65 and 18,390.38 is: 25,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.97 : 45,165.65 = 18,390.38 : x
  2. Step 2: Convert to fraction form
    32,729.97/45,165.65 = 18,390.38/x
  3. Step 3: Cross multiply
    32,729.97x = 45,165.65 × 18,390.38
  4. Step 4: Simplify right side
    32,729.97x = 830,613,252.11
  5. Step 5: Solve for x
    x = 830,613,252.11/32,729.97
  6. Step 6: Final answer
    x = 25,377.75

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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.