Home / 65,899.38-90,941.40-35,685.04

Finding the Fourth Proportional to 65,899.38, 90,941.40 and 35,685.04

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Solution

The fourth proportional to 65,899.38, 90,941.40 and 35,685.04 is: 49,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,899.38 : 90,941.40 = 35,685.04 : x
  2. Step 2: Convert to fraction form
    65,899.38/90,941.40 = 35,685.04/x
  3. Step 3: Cross multiply
    65,899.38x = 90,941.40 × 35,685.04
  4. Step 4: Simplify right side
    65,899.38x = 3,245,247,496.66
  5. Step 5: Solve for x
    x = 3,245,247,496.66/65,899.38
  6. Step 6: Final answer
    x = 49,245.49

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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.