Home / 31,667.92-43,695.66-18,055.71

Finding the Fourth Proportional to 31,667.92, 43,695.66 and 18,055.71

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Solution

The fourth proportional to 31,667.92, 43,695.66 and 18,055.71 is: 24,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,667.92 : 43,695.66 = 18,055.71 : x
  2. Step 2: Convert to fraction form
    31,667.92/43,695.66 = 18,055.71/x
  3. Step 3: Cross multiply
    31,667.92x = 43,695.66 × 18,055.71
  4. Step 4: Simplify right side
    31,667.92x = 788,956,069.07
  5. Step 5: Solve for x
    x = 788,956,069.07/31,667.92
  6. Step 6: Final answer
    x = 24,913.42

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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.