Home / 65,319.44-90,144.38-36,648.17

Finding the Fourth Proportional to 65,319.44, 90,144.38 and 36,648.17

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Solution

The fourth proportional to 65,319.44, 90,144.38 and 36,648.17 is: 50,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,319.44 : 90,144.38 = 36,648.17 : x
  2. Step 2: Convert to fraction form
    65,319.44/90,144.38 = 36,648.17/x
  3. Step 3: Cross multiply
    65,319.44x = 90,144.38 × 36,648.17
  4. Step 4: Simplify right side
    65,319.44x = 3,303,626,562.78
  5. Step 5: Solve for x
    x = 3,303,626,562.78/65,319.44
  6. Step 6: Final answer
    x = 50,576.47

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1.5x scale

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.