Home / 38,225.30-57,335.20-11,929.26

Finding the Fourth Proportional to 38,225.30, 57,335.20 and 11,929.26

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Solution

The fourth proportional to 38,225.30, 57,335.20 and 11,929.26 is: 17,893.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,225.30 : 57,335.20 = 11,929.26 : x
  2. Step 2: Convert to fraction form
    38,225.30/57,335.20 = 11,929.26/x
  3. Step 3: Cross multiply
    38,225.30x = 57,335.20 × 11,929.26
  4. Step 4: Simplify right side
    38,225.30x = 683,966,507.95
  5. Step 5: Solve for x
    x = 683,966,507.95/38,225.30
  6. Step 6: Final answer
    x = 17,893.03

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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.