Home / 31,524.16-43,507.28-18,099.62

Finding the Fourth Proportional to 31,524.16, 43,507.28 and 18,099.62

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Solution

The fourth proportional to 31,524.16, 43,507.28 and 18,099.62 is: 24,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.16 : 43,507.28 = 18,099.62 : x
  2. Step 2: Convert to fraction form
    31,524.16/43,507.28 = 18,099.62/x
  3. Step 3: Cross multiply
    31,524.16x = 43,507.28 × 18,099.62
  4. Step 4: Simplify right side
    31,524.16x = 787,465,235.23
  5. Step 5: Solve for x
    x = 787,465,235.23/31,524.16
  6. Step 6: Final answer
    x = 24,979.74

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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.