Home / 45,339.89-68,007.67-13,748.54

Finding the Fourth Proportional to 45,339.89, 68,007.67 and 13,748.54

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Solution

The fourth proportional to 45,339.89, 68,007.67 and 13,748.54 is: 20,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,339.89 : 68,007.67 = 13,748.54 : x
  2. Step 2: Convert to fraction form
    45,339.89/68,007.67 = 13,748.54/x
  3. Step 3: Cross multiply
    45,339.89x = 68,007.67 × 13,748.54
  4. Step 4: Simplify right side
    45,339.89x = 935,005,796.89
  5. Step 5: Solve for x
    x = 935,005,796.89/45,339.89
  6. Step 6: Final answer
    x = 20,622.15

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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.