Home / 65,454.48-90,317.34-36,768.66

Finding the Fourth Proportional to 65,454.48, 90,317.34 and 36,768.66

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Solution

The fourth proportional to 65,454.48, 90,317.34 and 36,768.66 is: 50,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,454.48 : 90,317.34 = 36,768.66 : x
  2. Step 2: Convert to fraction form
    65,454.48/90,317.34 = 36,768.66/x
  3. Step 3: Cross multiply
    65,454.48x = 90,317.34 × 36,768.66
  4. Step 4: Simplify right side
    65,454.48x = 3,320,847,566.56
  5. Step 5: Solve for x
    x = 3,320,847,566.56/65,454.48
  6. Step 6: Final answer
    x = 50,735.22

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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.