Home / 64,758.46-89,351.13-36,464.15

Finding the Fourth Proportional to 64,758.46, 89,351.13 and 36,464.15

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Solution

The fourth proportional to 64,758.46, 89,351.13 and 36,464.15 is: 50,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.46 : 89,351.13 = 36,464.15 : x
  2. Step 2: Convert to fraction form
    64,758.46/89,351.13 = 36,464.15/x
  3. Step 3: Cross multiply
    64,758.46x = 89,351.13 × 36,464.15
  4. Step 4: Simplify right side
    64,758.46x = 3,258,113,006.99
  5. Step 5: Solve for x
    x = 3,258,113,006.99/64,758.46
  6. Step 6: Final answer
    x = 50,311.77

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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.