Home / 40,029.96-55,241.28-22,124.78

Finding the Fourth Proportional to 40,029.96, 55,241.28 and 22,124.78

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Solution

The fourth proportional to 40,029.96, 55,241.28 and 22,124.78 is: 30,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.96 : 55,241.28 = 22,124.78 : x
  2. Step 2: Convert to fraction form
    40,029.96/55,241.28 = 22,124.78/x
  3. Step 3: Cross multiply
    40,029.96x = 55,241.28 × 22,124.78
  4. Step 4: Simplify right side
    40,029.96x = 1,222,200,890.71
  5. Step 5: Solve for x
    x = 1,222,200,890.71/40,029.96
  6. Step 6: Final answer
    x = 30,532.15

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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.