Home / 45,423.33-68,138.46-13,836.06

Finding the Fourth Proportional to 45,423.33, 68,138.46 and 13,836.06

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Solution

The fourth proportional to 45,423.33, 68,138.46 and 13,836.06 is: 20,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,423.33 : 68,138.46 = 13,836.06 : x
  2. Step 2: Convert to fraction form
    45,423.33/68,138.46 = 13,836.06/x
  3. Step 3: Cross multiply
    45,423.33x = 68,138.46 × 13,836.06
  4. Step 4: Simplify right side
    45,423.33x = 942,767,820.87
  5. Step 5: Solve for x
    x = 942,767,820.87/45,423.33
  6. Step 6: Final answer
    x = 20,755.15

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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.