Home / 30,243.12-41,724.45-18,302.10

Finding the Fourth Proportional to 30,243.12, 41,724.45 and 18,302.10

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Solution

The fourth proportional to 30,243.12, 41,724.45 and 18,302.10 is: 25,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.12 : 41,724.45 = 18,302.10 : x
  2. Step 2: Convert to fraction form
    30,243.12/41,724.45 = 18,302.10/x
  3. Step 3: Cross multiply
    30,243.12x = 41,724.45 × 18,302.10
  4. Step 4: Simplify right side
    30,243.12x = 763,645,056.35
  5. Step 5: Solve for x
    x = 763,645,056.35/30,243.12
  6. Step 6: Final answer
    x = 25,250.21

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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.