Home / 24,093.20-36,139.80-20,812.70

Finding the Fourth Proportional to 24,093.20, 36,139.80 and 20,812.70

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Solution

The fourth proportional to 24,093.20, 36,139.80 and 20,812.70 is: 31,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,093.20 : 36,139.80 = 20,812.70 : x
  2. Step 2: Convert to fraction form
    24,093.20/36,139.80 = 20,812.70/x
  3. Step 3: Cross multiply
    24,093.20x = 36,139.80 × 20,812.70
  4. Step 4: Simplify right side
    24,093.20x = 752,166,815.46
  5. Step 5: Solve for x
    x = 752,166,815.46/24,093.20
  6. Step 6: Final answer
    x = 31,219.05

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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.