Home / 31,863.96-43,975.08-17,719.56

Finding the Fourth Proportional to 31,863.96, 43,975.08 and 17,719.56

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Solution

The fourth proportional to 31,863.96, 43,975.08 and 17,719.56 is: 24,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,863.96 : 43,975.08 = 17,719.56 : x
  2. Step 2: Convert to fraction form
    31,863.96/43,975.08 = 17,719.56/x
  3. Step 3: Cross multiply
    31,863.96x = 43,975.08 × 17,719.56
  4. Step 4: Simplify right side
    31,863.96x = 779,219,068.56
  5. Step 5: Solve for x
    x = 779,219,068.56/31,863.96
  6. Step 6: Final answer
    x = 24,454.56

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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.