Home / 45,476.32-68,217.01-13,891.18

Finding the Fourth Proportional to 45,476.32, 68,217.01 and 13,891.18

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Solution

The fourth proportional to 45,476.32, 68,217.01 and 13,891.18 is: 20,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,476.32 : 68,217.01 = 13,891.18 : x
  2. Step 2: Convert to fraction form
    45,476.32/68,217.01 = 13,891.18/x
  3. Step 3: Cross multiply
    45,476.32x = 68,217.01 × 13,891.18
  4. Step 4: Simplify right side
    45,476.32x = 947,614,764.97
  5. Step 5: Solve for x
    x = 947,614,764.97/45,476.32
  6. Step 6: Final answer
    x = 20,837.54

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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.