Home / 30,388.95-45,552.30-11,664.14

Finding the Fourth Proportional to 30,388.95, 45,552.30 and 11,664.14

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Solution

The fourth proportional to 30,388.95, 45,552.30 and 11,664.14 is: 17,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.95 : 45,552.30 = 11,664.14 : x
  2. Step 2: Convert to fraction form
    30,388.95/45,552.30 = 11,664.14/x
  3. Step 3: Cross multiply
    30,388.95x = 45,552.30 × 11,664.14
  4. Step 4: Simplify right side
    30,388.95x = 531,328,176.76
  5. Step 5: Solve for x
    x = 531,328,176.76/30,388.95
  6. Step 6: Final answer
    x = 17,484.26

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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.