Home / 31,248.38-43,110.41-19,290.94

Finding the Fourth Proportional to 31,248.38, 43,110.41 and 19,290.94

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Solution

The fourth proportional to 31,248.38, 43,110.41 and 19,290.94 is: 26,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.38 : 43,110.41 = 19,290.94 : x
  2. Step 2: Convert to fraction form
    31,248.38/43,110.41 = 19,290.94/x
  3. Step 3: Cross multiply
    31,248.38x = 43,110.41 × 19,290.94
  4. Step 4: Simplify right side
    31,248.38x = 831,640,332.69
  5. Step 5: Solve for x
    x = 831,640,332.69/31,248.38
  6. Step 6: Final answer
    x = 26,613.87

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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.