Home / 64,513.18-89,028.30-36,219.07

Finding the Fourth Proportional to 64,513.18, 89,028.30 and 36,219.07

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Solution

The fourth proportional to 64,513.18, 89,028.30 and 36,219.07 is: 49,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513.18 : 89,028.30 = 36,219.07 : x
  2. Step 2: Convert to fraction form
    64,513.18/89,028.30 = 36,219.07/x
  3. Step 3: Cross multiply
    64,513.18x = 89,028.30 × 36,219.07
  4. Step 4: Simplify right side
    64,513.18x = 3,224,522,229.68
  5. Step 5: Solve for x
    x = 3,224,522,229.68/64,513.18
  6. Step 6: Final answer
    x = 49,982.38

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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.