Home / 23,102.40-34,631.76-21,048

Finding the Fourth Proportional to 23,102.40, 34,631.76 and 21,048

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Solution

The fourth proportional to 23,102.40, 34,631.76 and 21,048 is: 31,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102.40 : 34,631.76 = 21,048 : x
  2. Step 2: Convert to fraction form
    23,102.40/34,631.76 = 21,048/x
  3. Step 3: Cross multiply
    23,102.40x = 34,631.76 × 21,048
  4. Step 4: Simplify right side
    23,102.40x = 728,929,284.48
  5. Step 5: Solve for x
    x = 728,929,284.48/23,102.40
  6. Step 6: Final answer
    x = 31,552.10

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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.