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Finding the Fourth Proportional to 35,229.72, 48,638 and 23,303.28

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Solution

The fourth proportional to 35,229.72, 48,638 and 23,303.28 is: 32,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,229.72 : 48,638 = 23,303.28 : x
  2. Step 2: Convert to fraction form
    35,229.72/48,638 = 23,303.28/x
  3. Step 3: Cross multiply
    35,229.72x = 48,638 × 23,303.28
  4. Step 4: Simplify right side
    35,229.72x = 1,133,424,932.64
  5. Step 5: Solve for x
    x = 1,133,424,932.64/35,229.72
  6. Step 6: Final answer
    x = 32,172.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.