Home / 31,522.08-43,498.68-18,090.48

Finding the Fourth Proportional to 31,522.08, 43,498.68 and 18,090.48

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Solution

The fourth proportional to 31,522.08, 43,498.68 and 18,090.48 is: 24,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,522.08 : 43,498.68 = 18,090.48 : x
  2. Step 2: Convert to fraction form
    31,522.08/43,498.68 = 18,090.48/x
  3. Step 3: Cross multiply
    31,522.08x = 43,498.68 × 18,090.48
  4. Step 4: Simplify right side
    31,522.08x = 786,912,000.57
  5. Step 5: Solve for x
    x = 786,912,000.57/31,522.08
  6. Step 6: Final answer
    x = 24,963.83

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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.