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Finding the Fourth Proportional to 64,259.43, 88,678 and 35,965.12

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Solution

The fourth proportional to 64,259.43, 88,678 and 35,965.12 is: 49,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,259.43 : 88,678 = 35,965.12 : x
  2. Step 2: Convert to fraction form
    64,259.43/88,678 = 35,965.12/x
  3. Step 3: Cross multiply
    64,259.43x = 88,678 × 35,965.12
  4. Step 4: Simplify right side
    64,259.43x = 3,189,314,911.36
  5. Step 5: Solve for x
    x = 3,189,314,911.36/64,259.43
  6. Step 6: Final answer
    x = 49,631.86

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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.