Home / 30,198.43-45,246.48-18,487.18

Finding the Fourth Proportional to 30,198.43, 45,246.48 and 18,487.18

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Solution

The fourth proportional to 30,198.43, 45,246.48 and 18,487.18 is: 27,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.43 : 45,246.48 = 18,487.18 : x
  2. Step 2: Convert to fraction form
    30,198.43/45,246.48 = 18,487.18/x
  3. Step 3: Cross multiply
    30,198.43x = 45,246.48 × 18,487.18
  4. Step 4: Simplify right side
    30,198.43x = 836,479,820.13
  5. Step 5: Solve for x
    x = 836,479,820.13/30,198.43
  6. Step 6: Final answer
    x = 27,699.45

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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.