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Finding the Fourth Proportional to 64,639.22, 89,200.02 and 35,958.74

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Solution

The fourth proportional to 64,639.22, 89,200.02 and 35,958.74 is: 49,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.22 : 89,200.02 = 35,958.74 : x
  2. Step 2: Convert to fraction form
    64,639.22/89,200.02 = 35,958.74/x
  3. Step 3: Cross multiply
    64,639.22x = 89,200.02 × 35,958.74
  4. Step 4: Simplify right side
    64,639.22x = 3,207,520,327.17
  5. Step 5: Solve for x
    x = 3,207,520,327.17/64,639.22
  6. Step 6: Final answer
    x = 49,621.89

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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.