Home / 38,483.12-57,674.20-19,747.28

Finding the Fourth Proportional to 38,483.12, 57,674.20 and 19,747.28

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Solution

The fourth proportional to 38,483.12, 57,674.20 and 19,747.28 is: 29,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.12 : 57,674.20 = 19,747.28 : x
  2. Step 2: Convert to fraction form
    38,483.12/57,674.20 = 19,747.28/x
  3. Step 3: Cross multiply
    38,483.12x = 57,674.20 × 19,747.28
  4. Step 4: Simplify right side
    38,483.12x = 1,138,908,576.18
  5. Step 5: Solve for x
    x = 1,138,908,576.18/38,483.12
  6. Step 6: Final answer
    x = 29,595.02

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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.