Home / 40,037.82-55,252.21-22,132.81

Finding the Fourth Proportional to 40,037.82, 55,252.21 and 22,132.81

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Solution

The fourth proportional to 40,037.82, 55,252.21 and 22,132.81 is: 30,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,037.82 : 55,252.21 = 22,132.81 : x
  2. Step 2: Convert to fraction form
    40,037.82/55,252.21 = 22,132.81/x
  3. Step 3: Cross multiply
    40,037.82x = 55,252.21 × 22,132.81
  4. Step 4: Simplify right side
    40,037.82x = 1,222,886,666.01
  5. Step 5: Solve for x
    x = 1,222,886,666.01/40,037.82
  6. Step 6: Final answer
    x = 30,543.29

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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.