Home / 45,812.20-68,708.70-22,455.40

Finding the Fourth Proportional to 45,812.20, 68,708.70 and 22,455.40

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Solution

The fourth proportional to 45,812.20, 68,708.70 and 22,455.40 is: 33,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.20 : 68,708.70 = 22,455.40 : x
  2. Step 2: Convert to fraction form
    45,812.20/68,708.70 = 22,455.40/x
  3. Step 3: Cross multiply
    45,812.20x = 68,708.70 × 22,455.40
  4. Step 4: Simplify right side
    45,812.20x = 1,542,881,341.98
  5. Step 5: Solve for x
    x = 1,542,881,341.98/45,812.20
  6. Step 6: Final answer
    x = 33,678.39

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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.