Home / 64,901.44-89,555.25-36,217.72

Finding the Fourth Proportional to 64,901.44, 89,555.25 and 36,217.72

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Solution

The fourth proportional to 64,901.44, 89,555.25 and 36,217.72 is: 49,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.44 : 89,555.25 = 36,217.72 : x
  2. Step 2: Convert to fraction form
    64,901.44/89,555.25 = 36,217.72/x
  3. Step 3: Cross multiply
    64,901.44x = 89,555.25 × 36,217.72
  4. Step 4: Simplify right side
    64,901.44x = 3,243,486,969.03
  5. Step 5: Solve for x
    x = 3,243,486,969.03/64,901.44
  6. Step 6: Final answer
    x = 49,975.58

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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.