Home / 40,137.53-55,390.23-22,232.81

Finding the Fourth Proportional to 40,137.53, 55,390.23 and 22,232.81

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Solution

The fourth proportional to 40,137.53, 55,390.23 and 22,232.81 is: 30,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.53 : 55,390.23 = 22,232.81 : x
  2. Step 2: Convert to fraction form
    40,137.53/55,390.23 = 22,232.81/x
  3. Step 3: Cross multiply
    40,137.53x = 55,390.23 × 22,232.81
  4. Step 4: Simplify right side
    40,137.53x = 1,231,480,597.92
  5. Step 5: Solve for x
    x = 1,231,480,597.92/40,137.53
  6. Step 6: Final answer
    x = 30,681.53

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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.