Home / 45,319.23-68,001.87-20,354.17

Finding the Fourth Proportional to 45,319.23, 68,001.87 and 20,354.17

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Solution

The fourth proportional to 45,319.23, 68,001.87 and 20,354.17 is: 30,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.23 : 68,001.87 = 20,354.17 : x
  2. Step 2: Convert to fraction form
    45,319.23/68,001.87 = 20,354.17/x
  3. Step 3: Cross multiply
    45,319.23x = 68,001.87 × 20,354.17
  4. Step 4: Simplify right side
    45,319.23x = 1,384,121,622.30
  5. Step 5: Solve for x
    x = 1,384,121,622.30/45,319.23
  6. Step 6: Final answer
    x = 30,541.60

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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.