Home / 52,121.42-71,927.69-28,248.09

Finding the Fourth Proportional to 52,121.42, 71,927.69 and 28,248.09

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Solution

The fourth proportional to 52,121.42, 71,927.69 and 28,248.09 is: 38,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121.42 : 71,927.69 = 28,248.09 : x
  2. Step 2: Convert to fraction form
    52,121.42/71,927.69 = 28,248.09/x
  3. Step 3: Cross multiply
    52,121.42x = 71,927.69 × 28,248.09
  4. Step 4: Simplify right side
    52,121.42x = 2,031,819,584.51
  5. Step 5: Solve for x
    x = 2,031,819,584.51/52,121.42
  6. Step 6: Final answer
    x = 38,982.43

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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.