Home / 64,317.12-88,759.20-36,028.56

Finding the Fourth Proportional to 64,317.12, 88,759.20 and 36,028.56

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Solution

The fourth proportional to 64,317.12, 88,759.20 and 36,028.56 is: 49,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,317.12 : 88,759.20 = 36,028.56 : x
  2. Step 2: Convert to fraction form
    64,317.12/88,759.20 = 36,028.56/x
  3. Step 3: Cross multiply
    64,317.12x = 88,759.20 × 36,028.56
  4. Step 4: Simplify right side
    64,317.12x = 3,197,866,162.75
  5. Step 5: Solve for x
    x = 3,197,866,162.75/64,317.12
  6. Step 6: Final answer
    x = 49,720.29

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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.