Home / 45,561.11-68,342.12-15,979.66

Finding the Fourth Proportional to 45,561.11, 68,342.12 and 15,979.66

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Solution

The fourth proportional to 45,561.11, 68,342.12 and 15,979.66 is: 23,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,561.11 : 68,342.12 = 15,979.66 : x
  2. Step 2: Convert to fraction form
    45,561.11/68,342.12 = 15,979.66/x
  3. Step 3: Cross multiply
    45,561.11x = 68,342.12 × 15,979.66
  4. Step 4: Simplify right side
    45,561.11x = 1,092,083,419.67
  5. Step 5: Solve for x
    x = 1,092,083,419.67/45,561.11
  6. Step 6: Final answer
    x = 23,969.64

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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.