Home / 30,268.07-45,398.76-8,083.38

Finding the Fourth Proportional to 30,268.07, 45,398.76 and 8,083.38

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Solution

The fourth proportional to 30,268.07, 45,398.76 and 8,083.38 is: 12,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.07 : 45,398.76 = 8,083.38 : x
  2. Step 2: Convert to fraction form
    30,268.07/45,398.76 = 8,083.38/x
  3. Step 3: Cross multiply
    30,268.07x = 45,398.76 × 8,083.38
  4. Step 4: Simplify right side
    30,268.07x = 366,975,428.61
  5. Step 5: Solve for x
    x = 366,975,428.61/30,268.07
  6. Step 6: Final answer
    x = 12,124.18

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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.