Home / 52,085.68-71,878.10-28,212.42

Finding the Fourth Proportional to 52,085.68, 71,878.10 and 28,212.42

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Solution

The fourth proportional to 52,085.68, 71,878.10 and 28,212.42 is: 38,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085.68 : 71,878.10 = 28,212.42 : x
  2. Step 2: Convert to fraction form
    52,085.68/71,878.10 = 28,212.42/x
  3. Step 3: Cross multiply
    52,085.68x = 71,878.10 × 28,212.42
  4. Step 4: Simplify right side
    52,085.68x = 2,027,855,146.00
  5. Step 5: Solve for x
    x = 2,027,855,146.00/52,085.68
  6. Step 6: Final answer
    x = 38,933.06

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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.