Home / 57,929.85-79,949.91-35,282.11

Finding the Fourth Proportional to 57,929.85, 79,949.91 and 35,282.11

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Solution

The fourth proportional to 57,929.85, 79,949.91 and 35,282.11 is: 48,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929.85 : 79,949.91 = 35,282.11 : x
  2. Step 2: Convert to fraction form
    57,929.85/79,949.91 = 35,282.11/x
  3. Step 3: Cross multiply
    57,929.85x = 79,949.91 × 35,282.11
  4. Step 4: Simplify right side
    57,929.85x = 2,820,801,519.11
  5. Step 5: Solve for x
    x = 2,820,801,519.11/57,929.85
  6. Step 6: Final answer
    x = 48,693.40

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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.