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Finding the Fourth Proportional to 64,282.64, 88,717.97 and 38,803.64

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Solution

The fourth proportional to 64,282.64, 88,717.97 and 38,803.64 is: 53,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,282.64 : 88,717.97 = 38,803.64 : x
  2. Step 2: Convert to fraction form
    64,282.64/88,717.97 = 38,803.64/x
  3. Step 3: Cross multiply
    64,282.64x = 88,717.97 × 38,803.64
  4. Step 4: Simplify right side
    64,282.64x = 3,442,579,975.39
  5. Step 5: Solve for x
    x = 3,442,579,975.39/64,282.64
  6. Step 6: Final answer
    x = 53,553.81

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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.