Home / 65,380.14-90,226.20-35,572.14

Finding the Fourth Proportional to 65,380.14, 90,226.20 and 35,572.14

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Solution

The fourth proportional to 65,380.14, 90,226.20 and 35,572.14 is: 49,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,380.14 : 90,226.20 = 35,572.14 : x
  2. Step 2: Convert to fraction form
    65,380.14/90,226.20 = 35,572.14/x
  3. Step 3: Cross multiply
    65,380.14x = 90,226.20 × 35,572.14
  4. Step 4: Simplify right side
    65,380.14x = 3,209,539,018.07
  5. Step 5: Solve for x
    x = 3,209,539,018.07/65,380.14
  6. Step 6: Final answer
    x = 49,090.43

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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.