Home / 31,442.26-43,390.12-17,832.90

Finding the Fourth Proportional to 31,442.26, 43,390.12 and 17,832.90

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Solution

The fourth proportional to 31,442.26, 43,390.12 and 17,832.90 is: 24,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.26 : 43,390.12 = 17,832.90 : x
  2. Step 2: Convert to fraction form
    31,442.26/43,390.12 = 17,832.90/x
  3. Step 3: Cross multiply
    31,442.26x = 43,390.12 × 17,832.90
  4. Step 4: Simplify right side
    31,442.26x = 773,771,492.35
  5. Step 5: Solve for x
    x = 773,771,492.35/31,442.26
  6. Step 6: Final answer
    x = 24,609.28

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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.