Home / 31,522.52-43,507.46-18,102.98

Finding the Fourth Proportional to 31,522.52, 43,507.46 and 18,102.98

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Solution

The fourth proportional to 31,522.52, 43,507.46 and 18,102.98 is: 24,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,522.52 : 43,507.46 = 18,102.98 : x
  2. Step 2: Convert to fraction form
    31,522.52/43,507.46 = 18,102.98/x
  3. Step 3: Cross multiply
    31,522.52x = 43,507.46 × 18,102.98
  4. Step 4: Simplify right side
    31,522.52x = 787,614,832.26
  5. Step 5: Solve for x
    x = 787,614,832.26/31,522.52
  6. Step 6: Final answer
    x = 24,985.78

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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.