Home / 52,121.45-71,927.58-28,248.12

Finding the Fourth Proportional to 52,121.45, 71,927.58 and 28,248.12

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Solution

The fourth proportional to 52,121.45, 71,927.58 and 28,248.12 is: 38,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121.45 : 71,927.58 = 28,248.12 : x
  2. Step 2: Convert to fraction form
    52,121.45/71,927.58 = 28,248.12/x
  3. Step 3: Cross multiply
    52,121.45x = 71,927.58 × 28,248.12
  4. Step 4: Simplify right side
    52,121.45x = 2,031,818,911.15
  5. Step 5: Solve for x
    x = 2,031,818,911.15/52,121.45
  6. Step 6: Final answer
    x = 38,982.39

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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.