Home / 64,727.56-89,329.38-36,052.72

Finding the Fourth Proportional to 64,727.56, 89,329.38 and 36,052.72

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Solution

The fourth proportional to 64,727.56, 89,329.38 and 36,052.72 is: 49,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,727.56 : 89,329.38 = 36,052.72 : x
  2. Step 2: Convert to fraction form
    64,727.56/89,329.38 = 36,052.72/x
  3. Step 3: Cross multiply
    64,727.56x = 89,329.38 × 36,052.72
  4. Step 4: Simplify right side
    64,727.56x = 3,220,567,124.91
  5. Step 5: Solve for x
    x = 3,220,567,124.91/64,727.56
  6. Step 6: Final answer
    x = 49,755.73

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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.