Home / 30,127.11-41,575.35-18,188.10

Finding the Fourth Proportional to 30,127.11, 41,575.35 and 18,188.10

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Solution

The fourth proportional to 30,127.11, 41,575.35 and 18,188.10 is: 25,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.11 : 41,575.35 = 18,188.10 : x
  2. Step 2: Convert to fraction form
    30,127.11/41,575.35 = 18,188.10/x
  3. Step 3: Cross multiply
    30,127.11x = 41,575.35 × 18,188.10
  4. Step 4: Simplify right side
    30,127.11x = 756,176,623.34
  5. Step 5: Solve for x
    x = 756,176,623.34/30,127.11
  6. Step 6: Final answer
    x = 25,099.54

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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.