Home / 65,849.13-90,871.79-36,041.13

Finding the Fourth Proportional to 65,849.13, 90,871.79 and 36,041.13

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Solution

The fourth proportional to 65,849.13, 90,871.79 and 36,041.13 is: 49,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.13 : 90,871.79 = 36,041.13 : x
  2. Step 2: Convert to fraction form
    65,849.13/90,871.79 = 36,041.13/x
  3. Step 3: Cross multiply
    65,849.13x = 90,871.79 × 36,041.13
  4. Step 4: Simplify right side
    65,849.13x = 3,275,121,996.72
  5. Step 5: Solve for x
    x = 3,275,121,996.72/65,849.13
  6. Step 6: Final answer
    x = 49,736.75

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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.