Home / 52,020.94-71,788.38-28,147.08

Finding the Fourth Proportional to 52,020.94, 71,788.38 and 28,147.08

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Solution

The fourth proportional to 52,020.94, 71,788.38 and 28,147.08 is: 38,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.94 : 71,788.38 = 28,147.08 : x
  2. Step 2: Convert to fraction form
    52,020.94/71,788.38 = 28,147.08/x
  3. Step 3: Cross multiply
    52,020.94x = 71,788.38 × 28,147.08
  4. Step 4: Simplify right side
    52,020.94x = 2,020,633,274.93
  5. Step 5: Solve for x
    x = 2,020,633,274.93/52,020.94
  6. Step 6: Final answer
    x = 38,842.69

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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.