Home / 40,011.17-55,212.57-22,105.98

Finding the Fourth Proportional to 40,011.17, 55,212.57 and 22,105.98

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Solution

The fourth proportional to 40,011.17, 55,212.57 and 22,105.98 is: 30,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011.17 : 55,212.57 = 22,105.98 : x
  2. Step 2: Convert to fraction form
    40,011.17/55,212.57 = 22,105.98/x
  3. Step 3: Cross multiply
    40,011.17x = 55,212.57 × 22,105.98
  4. Step 4: Simplify right side
    40,011.17x = 1,220,527,968.17
  5. Step 5: Solve for x
    x = 1,220,527,968.17/40,011.17
  6. Step 6: Final answer
    x = 30,504.68

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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.