Home / 24,211.20-36,219.60-20,960.40

Finding the Fourth Proportional to 24,211.20, 36,219.60 and 20,960.40

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Solution

The fourth proportional to 24,211.20, 36,219.60 and 20,960.40 is: 31,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,211.20 : 36,219.60 = 20,960.40 : x
  2. Step 2: Convert to fraction form
    24,211.20/36,219.60 = 20,960.40/x
  3. Step 3: Cross multiply
    24,211.20x = 36,219.60 × 20,960.40
  4. Step 4: Simplify right side
    24,211.20x = 759,177,303.84
  5. Step 5: Solve for x
    x = 759,177,303.84/24,211.20
  6. Step 6: Final answer
    x = 31,356.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.