Home / 40,211.13-55,493.18-22,306.15

Finding the Fourth Proportional to 40,211.13, 55,493.18 and 22,306.15

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Solution

The fourth proportional to 40,211.13, 55,493.18 and 22,306.15 is: 30,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211.13 : 55,493.18 = 22,306.15 : x
  2. Step 2: Convert to fraction form
    40,211.13/55,493.18 = 22,306.15/x
  3. Step 3: Cross multiply
    40,211.13x = 55,493.18 × 22,306.15
  4. Step 4: Simplify right side
    40,211.13x = 1,237,839,364.01
  5. Step 5: Solve for x
    x = 1,237,839,364.01/40,211.13
  6. Step 6: Final answer
    x = 30,783.50

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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.