Home / 45,078.15-67,612.01-11,801.42

Finding the Fourth Proportional to 45,078.15, 67,612.01 and 11,801.42

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Solution

The fourth proportional to 45,078.15, 67,612.01 and 11,801.42 is: 17,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,078.15 : 67,612.01 = 11,801.42 : x
  2. Step 2: Convert to fraction form
    45,078.15/67,612.01 = 11,801.42/x
  3. Step 3: Cross multiply
    45,078.15x = 67,612.01 × 11,801.42
  4. Step 4: Simplify right side
    45,078.15x = 797,917,329.99
  5. Step 5: Solve for x
    x = 797,917,329.99/45,078.15
  6. Step 6: Final answer
    x = 17,700.76

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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.