Home / 32,830.06-45,294.24-18,679.36

Finding the Fourth Proportional to 32,830.06, 45,294.24 and 18,679.36

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Solution

The fourth proportional to 32,830.06, 45,294.24 and 18,679.36 is: 25,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,830.06 : 45,294.24 = 18,679.36 : x
  2. Step 2: Convert to fraction form
    32,830.06/45,294.24 = 18,679.36/x
  3. Step 3: Cross multiply
    32,830.06x = 45,294.24 × 18,679.36
  4. Step 4: Simplify right side
    32,830.06x = 846,067,414.89
  5. Step 5: Solve for x
    x = 846,067,414.89/32,830.06
  6. Step 6: Final answer
    x = 25,771.12

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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.