Home / 30,099.30-41,537.61-18,012.21

Finding the Fourth Proportional to 30,099.30, 41,537.61 and 18,012.21

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Solution

The fourth proportional to 30,099.30, 41,537.61 and 18,012.21 is: 24,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,099.30 : 41,537.61 = 18,012.21 : x
  2. Step 2: Convert to fraction form
    30,099.30/41,537.61 = 18,012.21/x
  3. Step 3: Cross multiply
    30,099.30x = 41,537.61 × 18,012.21
  4. Step 4: Simplify right side
    30,099.30x = 748,184,154.22
  5. Step 5: Solve for x
    x = 748,184,154.22/30,099.30
  6. Step 6: Final answer
    x = 24,857.19

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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.