Home / 38,522.60-57,740.70-19,795.40

Finding the Fourth Proportional to 38,522.60, 57,740.70 and 19,795.40

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Solution

The fourth proportional to 38,522.60, 57,740.70 and 19,795.40 is: 29,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522.60 : 57,740.70 = 19,795.40 : x
  2. Step 2: Convert to fraction form
    38,522.60/57,740.70 = 19,795.40/x
  3. Step 3: Cross multiply
    38,522.60x = 57,740.70 × 19,795.40
  4. Step 4: Simplify right side
    38,522.60x = 1,143,000,252.78
  5. Step 5: Solve for x
    x = 1,143,000,252.78/38,522.60
  6. Step 6: Final answer
    x = 29,670.90

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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.