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Finding the Fourth Proportional to 64,869.64, 89,512.50 and 36,573.64

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Solution

The fourth proportional to 64,869.64, 89,512.50 and 36,573.64 is: 50,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,869.64 : 89,512.50 = 36,573.64 : x
  2. Step 2: Convert to fraction form
    64,869.64/89,512.50 = 36,573.64/x
  3. Step 3: Cross multiply
    64,869.64x = 89,512.50 × 36,573.64
  4. Step 4: Simplify right side
    64,869.64x = 3,273,797,950.50
  5. Step 5: Solve for x
    x = 3,273,797,950.50/64,869.64
  6. Step 6: Final answer
    x = 50,467.34

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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.