Home / 52,148.64-71,965.68-30,639.27

Finding the Fourth Proportional to 52,148.64, 71,965.68 and 30,639.27

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Solution

The fourth proportional to 52,148.64, 71,965.68 and 30,639.27 is: 42,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,148.64 : 71,965.68 = 30,639.27 : x
  2. Step 2: Convert to fraction form
    52,148.64/71,965.68 = 30,639.27/x
  3. Step 3: Cross multiply
    52,148.64x = 71,965.68 × 30,639.27
  4. Step 4: Simplify right side
    52,148.64x = 2,204,975,900.25
  5. Step 5: Solve for x
    x = 2,204,975,900.25/52,148.64
  6. Step 6: Final answer
    x = 42,282.52

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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.