Home / 45,984.90-68,964.39-19,718.22

Finding the Fourth Proportional to 45,984.90, 68,964.39 and 19,718.22

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Solution

The fourth proportional to 45,984.90, 68,964.39 and 19,718.22 is: 29,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,984.90 : 68,964.39 = 19,718.22 : x
  2. Step 2: Convert to fraction form
    45,984.90/68,964.39 = 19,718.22/x
  3. Step 3: Cross multiply
    45,984.90x = 68,964.39 × 19,718.22
  4. Step 4: Simplify right side
    45,984.90x = 1,359,855,014.19
  5. Step 5: Solve for x
    x = 1,359,855,014.19/45,984.90
  6. Step 6: Final answer
    x = 29,571.77

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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.