Home / 40,124.84-55,372.45-22,219.46

Finding the Fourth Proportional to 40,124.84, 55,372.45 and 22,219.46

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Solution

The fourth proportional to 40,124.84, 55,372.45 and 22,219.46 is: 30,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124.84 : 55,372.45 = 22,219.46 : x
  2. Step 2: Convert to fraction form
    40,124.84/55,372.45 = 22,219.46/x
  3. Step 3: Cross multiply
    40,124.84x = 55,372.45 × 22,219.46
  4. Step 4: Simplify right side
    40,124.84x = 1,230,346,135.00
  5. Step 5: Solve for x
    x = 1,230,346,135.00/40,124.84
  6. Step 6: Final answer
    x = 30,662.95

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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.