Home / 40,299.39-55,608.93-22,391.51

Finding the Fourth Proportional to 40,299.39, 55,608.93 and 22,391.51

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Solution

The fourth proportional to 40,299.39, 55,608.93 and 22,391.51 is: 30,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.39 : 55,608.93 = 22,391.51 : x
  2. Step 2: Convert to fraction form
    40,299.39/55,608.93 = 22,391.51/x
  3. Step 3: Cross multiply
    40,299.39x = 55,608.93 × 22,391.51
  4. Step 4: Simplify right side
    40,299.39x = 1,245,167,634.14
  5. Step 5: Solve for x
    x = 1,245,167,634.14/40,299.39
  6. Step 6: Final answer
    x = 30,897.93

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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.