Home / 52,020.45-71,788.80-28,147.59

Finding the Fourth Proportional to 52,020.45, 71,788.80 and 28,147.59

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Solution

The fourth proportional to 52,020.45, 71,788.80 and 28,147.59 is: 38,843.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.45 : 71,788.80 = 28,147.59 : x
  2. Step 2: Convert to fraction form
    52,020.45/71,788.80 = 28,147.59/x
  3. Step 3: Cross multiply
    52,020.45x = 71,788.80 × 28,147.59
  4. Step 4: Simplify right side
    52,020.45x = 2,020,681,708.99
  5. Step 5: Solve for x
    x = 2,020,681,708.99/52,020.45
  6. Step 6: Final answer
    x = 38,843.99

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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.