Home / 30,301.73-45,449.41-8,117.35

Finding the Fourth Proportional to 30,301.73, 45,449.41 and 8,117.35

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Solution

The fourth proportional to 30,301.73, 45,449.41 and 8,117.35 is: 12,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.73 : 45,449.41 = 8,117.35 : x
  2. Step 2: Convert to fraction form
    30,301.73/45,449.41 = 8,117.35/x
  3. Step 3: Cross multiply
    30,301.73x = 45,449.41 × 8,117.35
  4. Step 4: Simplify right side
    30,301.73x = 368,928,768.26
  5. Step 5: Solve for x
    x = 368,928,768.26/30,301.73
  6. Step 6: Final answer
    x = 12,175.17

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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.