Home / 64,514.57-89,028.79-36,220.25

Finding the Fourth Proportional to 64,514.57, 89,028.79 and 36,220.25

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Solution

The fourth proportional to 64,514.57, 89,028.79 and 36,220.25 is: 49,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514.57 : 89,028.79 = 36,220.25 : x
  2. Step 2: Convert to fraction form
    64,514.57/89,028.79 = 36,220.25/x
  3. Step 3: Cross multiply
    64,514.57x = 89,028.79 × 36,220.25
  4. Step 4: Simplify right side
    64,514.57x = 3,224,645,163.02
  5. Step 5: Solve for x
    x = 3,224,645,163.02/64,514.57
  6. Step 6: Final answer
    x = 49,983.21

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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.