Home / 52,029.14-71,800.21-28,155.81

Finding the Fourth Proportional to 52,029.14, 71,800.21 and 28,155.81

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Solution

The fourth proportional to 52,029.14, 71,800.21 and 28,155.81 is: 38,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,029.14 : 71,800.21 = 28,155.81 : x
  2. Step 2: Convert to fraction form
    52,029.14/71,800.21 = 28,155.81/x
  3. Step 3: Cross multiply
    52,029.14x = 71,800.21 × 28,155.81
  4. Step 4: Simplify right side
    52,029.14x = 2,021,593,070.72
  5. Step 5: Solve for x
    x = 2,021,593,070.72/52,029.14
  6. Step 6: Final answer
    x = 38,855.02

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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.