Home / 45,347.77-68,021.56-12,067.83

Finding the Fourth Proportional to 45,347.77, 68,021.56 and 12,067.83

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Solution

The fourth proportional to 45,347.77, 68,021.56 and 12,067.83 is: 18,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,347.77 : 68,021.56 = 12,067.83 : x
  2. Step 2: Convert to fraction form
    45,347.77/68,021.56 = 12,067.83/x
  3. Step 3: Cross multiply
    45,347.77x = 68,021.56 × 12,067.83
  4. Step 4: Simplify right side
    45,347.77x = 820,872,622.41
  5. Step 5: Solve for x
    x = 820,872,622.41/45,347.77
  6. Step 6: Final answer
    x = 18,101.72

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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.