Home / 52,028.51-71,799.86-28,155.70

Finding the Fourth Proportional to 52,028.51, 71,799.86 and 28,155.70

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Solution

The fourth proportional to 52,028.51, 71,799.86 and 28,155.70 is: 38,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,028.51 : 71,799.86 = 28,155.70 : x
  2. Step 2: Convert to fraction form
    52,028.51/71,799.86 = 28,155.70/x
  3. Step 3: Cross multiply
    52,028.51x = 71,799.86 × 28,155.70
  4. Step 4: Simplify right side
    52,028.51x = 2,021,575,074.47
  5. Step 5: Solve for x
    x = 2,021,575,074.47/52,028.51
  6. Step 6: Final answer
    x = 38,855.14

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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.