Home / 64,729.24-89,320.66-36,046.72

Finding the Fourth Proportional to 64,729.24, 89,320.66 and 36,046.72

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Solution

The fourth proportional to 64,729.24, 89,320.66 and 36,046.72 is: 49,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,729.24 : 89,320.66 = 36,046.72 : x
  2. Step 2: Convert to fraction form
    64,729.24/89,320.66 = 36,046.72/x
  3. Step 3: Cross multiply
    64,729.24x = 89,320.66 × 36,046.72
  4. Step 4: Simplify right side
    64,729.24x = 3,219,716,821.24
  5. Step 5: Solve for x
    x = 3,219,716,821.24/64,729.24
  6. Step 6: Final answer
    x = 49,741.30

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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.