Home / 45,422.78-68,106.83-23,279.40

Finding the Fourth Proportional to 45,422.78, 68,106.83 and 23,279.40

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Solution

The fourth proportional to 45,422.78, 68,106.83 and 23,279.40 is: 34,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,422.78 : 68,106.83 = 23,279.40 : x
  2. Step 2: Convert to fraction form
    45,422.78/68,106.83 = 23,279.40/x
  3. Step 3: Cross multiply
    45,422.78x = 68,106.83 × 23,279.40
  4. Step 4: Simplify right side
    45,422.78x = 1,585,486,021.91
  5. Step 5: Solve for x
    x = 1,585,486,021.91/45,422.78
  6. Step 6: Final answer
    x = 34,905.09

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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.