Home / 65,744.92-90,727.75-35,530.25

Finding the Fourth Proportional to 65,744.92, 90,727.75 and 35,530.25

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Solution

The fourth proportional to 65,744.92, 90,727.75 and 35,530.25 is: 49,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,744.92 : 90,727.75 = 35,530.25 : x
  2. Step 2: Convert to fraction form
    65,744.92/90,727.75 = 35,530.25/x
  3. Step 3: Cross multiply
    65,744.92x = 90,727.75 × 35,530.25
  4. Step 4: Simplify right side
    65,744.92x = 3,223,579,030.35
  5. Step 5: Solve for x
    x = 3,223,579,030.35/65,744.92
  6. Step 6: Final answer
    x = 49,031.61

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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.