Home / 40,039.16-55,253.40-22,133.76

Finding the Fourth Proportional to 40,039.16, 55,253.40 and 22,133.76

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Solution

The fourth proportional to 40,039.16, 55,253.40 and 22,133.76 is: 30,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.16 : 55,253.40 = 22,133.76 : x
  2. Step 2: Convert to fraction form
    40,039.16/55,253.40 = 22,133.76/x
  3. Step 3: Cross multiply
    40,039.16x = 55,253.40 × 22,133.76
  4. Step 4: Simplify right side
    40,039.16x = 1,222,965,494.78
  5. Step 5: Solve for x
    x = 1,222,965,494.78/40,039.16
  6. Step 6: Final answer
    x = 30,544.23

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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.