Home / 30,717.56-46,017.23-18,836.66

Finding the Fourth Proportional to 30,717.56, 46,017.23 and 18,836.66

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Solution

The fourth proportional to 30,717.56, 46,017.23 and 18,836.66 is: 28,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.56 : 46,017.23 = 18,836.66 : x
  2. Step 2: Convert to fraction form
    30,717.56/46,017.23 = 18,836.66/x
  3. Step 3: Cross multiply
    30,717.56x = 46,017.23 × 18,836.66
  4. Step 4: Simplify right side
    30,717.56x = 866,810,591.38
  5. Step 5: Solve for x
    x = 866,810,591.38/30,717.56
  6. Step 6: Final answer
    x = 28,218.74

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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.