Home / 29,319.21-43,875-18,231.12

Finding the Fourth Proportional to 29,319.21, 43,875 and 18,231.12

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Solution

The fourth proportional to 29,319.21, 43,875 and 18,231.12 is: 27,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.21 : 43,875 = 18,231.12 : x
  2. Step 2: Convert to fraction form
    29,319.21/43,875 = 18,231.12/x
  3. Step 3: Cross multiply
    29,319.21x = 43,875 × 18,231.12
  4. Step 4: Simplify right side
    29,319.21x = 799,890,390
  5. Step 5: Solve for x
    x = 799,890,390/29,319.21
  6. Step 6: Final answer
    x = 27,282.13

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1.5x scale

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.