Home / 65,857.08-90,882.87-35,642.46

Finding the Fourth Proportional to 65,857.08, 90,882.87 and 35,642.46

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Solution

The fourth proportional to 65,857.08, 90,882.87 and 35,642.46 is: 49,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,857.08 : 90,882.87 = 35,642.46 : x
  2. Step 2: Convert to fraction form
    65,857.08/90,882.87 = 35,642.46/x
  3. Step 3: Cross multiply
    65,857.08x = 90,882.87 × 35,642.46
  4. Step 4: Simplify right side
    65,857.08x = 3,239,289,058.66
  5. Step 5: Solve for x
    x = 3,239,289,058.66/65,857.08
  6. Step 6: Final answer
    x = 49,186.65

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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.