Home / 65,914.52-90,962.32-35,700.20

Finding the Fourth Proportional to 65,914.52, 90,962.32 and 35,700.20

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Solution

The fourth proportional to 65,914.52, 90,962.32 and 35,700.20 is: 49,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,914.52 : 90,962.32 = 35,700.20 : x
  2. Step 2: Convert to fraction form
    65,914.52/90,962.32 = 35,700.20/x
  3. Step 3: Cross multiply
    65,914.52x = 90,962.32 × 35,700.20
  4. Step 4: Simplify right side
    65,914.52x = 3,247,373,016.46
  5. Step 5: Solve for x
    x = 3,247,373,016.46/65,914.52
  6. Step 6: Final answer
    x = 49,266.43

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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.