Home / 40,443.87-55,811.64-22,538.55

Finding the Fourth Proportional to 40,443.87, 55,811.64 and 22,538.55

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Solution

The fourth proportional to 40,443.87, 55,811.64 and 22,538.55 is: 31,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,443.87 : 55,811.64 = 22,538.55 : x
  2. Step 2: Convert to fraction form
    40,443.87/55,811.64 = 22,538.55/x
  3. Step 3: Cross multiply
    40,443.87x = 55,811.64 × 22,538.55
  4. Step 4: Simplify right side
    40,443.87x = 1,257,913,438.72
  5. Step 5: Solve for x
    x = 1,257,913,438.72/40,443.87
  6. Step 6: Final answer
    x = 31,102.70

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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.