Home / 64,331.28-88,782.48-36,039.60

Finding the Fourth Proportional to 64,331.28, 88,782.48 and 36,039.60

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Solution

The fourth proportional to 64,331.28, 88,782.48 and 36,039.60 is: 49,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,331.28 : 88,782.48 = 36,039.60 : x
  2. Step 2: Convert to fraction form
    64,331.28/88,782.48 = 36,039.60/x
  3. Step 3: Cross multiply
    64,331.28x = 88,782.48 × 36,039.60
  4. Step 4: Simplify right side
    64,331.28x = 3,199,685,066.21
  5. Step 5: Solve for x
    x = 3,199,685,066.21/64,331.28
  6. Step 6: Final answer
    x = 49,737.62

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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.