Home / 40,170.77-55,438.98-22,271.39

Finding the Fourth Proportional to 40,170.77, 55,438.98 and 22,271.39

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Solution

The fourth proportional to 40,170.77, 55,438.98 and 22,271.39 is: 30,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.77 : 55,438.98 = 22,271.39 : x
  2. Step 2: Convert to fraction form
    40,170.77/55,438.98 = 22,271.39/x
  3. Step 3: Cross multiply
    40,170.77x = 55,438.98 × 22,271.39
  4. Step 4: Simplify right side
    40,170.77x = 1,234,703,144.78
  5. Step 5: Solve for x
    x = 1,234,703,144.78/40,170.77
  6. Step 6: Final answer
    x = 30,736.36

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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.