Home / 45,884.81-68,819.00-12,151.05

Finding the Fourth Proportional to 45,884.81, 68,819.00 and 12,151.05

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Solution

The fourth proportional to 45,884.81, 68,819.00 and 12,151.05 is: 18,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,884.81 : 68,819.00 = 12,151.05 : x
  2. Step 2: Convert to fraction form
    45,884.81/68,819.00 = 12,151.05/x
  3. Step 3: Cross multiply
    45,884.81x = 68,819.00 × 12,151.05
  4. Step 4: Simplify right side
    45,884.81x = 836,223,049.19
  5. Step 5: Solve for x
    x = 836,223,049.19/45,884.81
  6. Step 6: Final answer
    x = 18,224.40

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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.