Home / 65,451.48-90,313.20-36,765.66

Finding the Fourth Proportional to 65,451.48, 90,313.20 and 36,765.66

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Solution

The fourth proportional to 65,451.48, 90,313.20 and 36,765.66 is: 50,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,451.48 : 90,313.20 = 36,765.66 : x
  2. Step 2: Convert to fraction form
    65,451.48/90,313.20 = 36,765.66/x
  3. Step 3: Cross multiply
    65,451.48x = 90,313.20 × 36,765.66
  4. Step 4: Simplify right side
    65,451.48x = 3,320,424,404.71
  5. Step 5: Solve for x
    x = 3,320,424,404.71/65,451.48
  6. Step 6: Final answer
    x = 50,731.08

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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.