Home / 65,722.85-98,584.28-40,839.65

Finding the Fourth Proportional to 65,722.85, 98,584.28 and 40,839.65

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Solution

The fourth proportional to 65,722.85, 98,584.28 and 40,839.65 is: 61,259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,722.85 : 98,584.28 = 40,839.65 : x
  2. Step 2: Convert to fraction form
    65,722.85/98,584.28 = 40,839.65/x
  3. Step 3: Cross multiply
    65,722.85x = 98,584.28 × 40,839.65
  4. Step 4: Simplify right side
    65,722.85x = 4,026,147,286.50
  5. Step 5: Solve for x
    x = 4,026,147,286.50/65,722.85
  6. Step 6: Final answer
    x = 61,259.48

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1.5x scale

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.