Home / 64,800.48-89,418.96-36,119.04

Finding the Fourth Proportional to 64,800.48, 89,418.96 and 36,119.04

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Solution

The fourth proportional to 64,800.48, 89,418.96 and 36,119.04 is: 49,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,800.48 : 89,418.96 = 36,119.04 : x
  2. Step 2: Convert to fraction form
    64,800.48/89,418.96 = 36,119.04/x
  3. Step 3: Cross multiply
    64,800.48x = 89,418.96 × 36,119.04
  4. Step 4: Simplify right side
    64,800.48x = 3,229,726,993.00
  5. Step 5: Solve for x
    x = 3,229,726,993.00/64,800.48
  6. Step 6: Final answer
    x = 49,841.10

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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.