Home / 44,319.88-66,442.53-20,615.38

Finding the Fourth Proportional to 44,319.88, 66,442.53 and 20,615.38

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Solution

The fourth proportional to 44,319.88, 66,442.53 and 20,615.38 is: 30,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,319.88 : 66,442.53 = 20,615.38 : x
  2. Step 2: Convert to fraction form
    44,319.88/66,442.53 = 20,615.38/x
  3. Step 3: Cross multiply
    44,319.88x = 66,442.53 × 20,615.38
  4. Step 4: Simplify right side
    44,319.88x = 1,369,738,004.11
  5. Step 5: Solve for x
    x = 1,369,738,004.11/44,319.88
  6. Step 6: Final answer
    x = 30,905.72

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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.