Home / 30,126.00-45,204.76-21,874.18

Finding the Fourth Proportional to 30,126.00, 45,204.76 and 21,874.18

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Solution

The fourth proportional to 30,126.00, 45,204.76 and 21,874.18 is: 32,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.00 : 45,204.76 = 21,874.18 : x
  2. Step 2: Convert to fraction form
    30,126.00/45,204.76 = 21,874.18/x
  3. Step 3: Cross multiply
    30,126.00x = 45,204.76 × 21,874.18
  4. Step 4: Simplify right side
    30,126.00x = 988,816,867.53
  5. Step 5: Solve for x
    x = 988,816,867.53/30,126.00
  6. Step 6: Final answer
    x = 32,822.71

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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.