Home / 65,331.73-90,157.38-36,259.79

Finding the Fourth Proportional to 65,331.73, 90,157.38 and 36,259.79

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Solution

The fourth proportional to 65,331.73, 90,157.38 and 36,259.79 is: 50,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,331.73 : 90,157.38 = 36,259.79 : x
  2. Step 2: Convert to fraction form
    65,331.73/90,157.38 = 36,259.79/x
  3. Step 3: Cross multiply
    65,331.73x = 90,157.38 × 36,259.79
  4. Step 4: Simplify right side
    65,331.73x = 3,269,087,078.99
  5. Step 5: Solve for x
    x = 3,269,087,078.99/65,331.73
  6. Step 6: Final answer
    x = 50,038.27

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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.