Home / 30,241.12-41,721.69-18,300.10

Finding the Fourth Proportional to 30,241.12, 41,721.69 and 18,300.10

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Solution

The fourth proportional to 30,241.12, 41,721.69 and 18,300.10 is: 25,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.12 : 41,721.69 = 18,300.10 : x
  2. Step 2: Convert to fraction form
    30,241.12/41,721.69 = 18,300.10/x
  3. Step 3: Cross multiply
    30,241.12x = 41,721.69 × 18,300.10
  4. Step 4: Simplify right side
    30,241.12x = 763,511,099.17
  5. Step 5: Solve for x
    x = 763,511,099.17/30,241.12
  6. Step 6: Final answer
    x = 25,247.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.