Home / 31,227.12-43,092.95-19,123.56

Finding the Fourth Proportional to 31,227.12, 43,092.95 and 19,123.56

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Solution

The fourth proportional to 31,227.12, 43,092.95 and 19,123.56 is: 26,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,227.12 : 43,092.95 = 19,123.56 : x
  2. Step 2: Convert to fraction form
    31,227.12/43,092.95 = 19,123.56/x
  3. Step 3: Cross multiply
    31,227.12x = 43,092.95 × 19,123.56
  4. Step 4: Simplify right side
    31,227.12x = 824,090,519.28
  5. Step 5: Solve for x
    x = 824,090,519.28/31,227.12
  6. Step 6: Final answer
    x = 26,390.22

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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.