Home / 65,568.16-90,483.60-35,760.80

Finding the Fourth Proportional to 65,568.16, 90,483.60 and 35,760.80

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Solution

The fourth proportional to 65,568.16, 90,483.60 and 35,760.80 is: 49,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,568.16 : 90,483.60 = 35,760.80 : x
  2. Step 2: Convert to fraction form
    65,568.16/90,483.60 = 35,760.80/x
  3. Step 3: Cross multiply
    65,568.16x = 90,483.60 × 35,760.80
  4. Step 4: Simplify right side
    65,568.16x = 3,235,765,922.88
  5. Step 5: Solve for x
    x = 3,235,765,922.88/65,568.16
  6. Step 6: Final answer
    x = 49,349.65

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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.