Home / 52,022.21-71,790.41-28,149.30

Finding the Fourth Proportional to 52,022.21, 71,790.41 and 28,149.30

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Solution

The fourth proportional to 52,022.21, 71,790.41 and 28,149.30 is: 38,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,022.21 : 71,790.41 = 28,149.30 : x
  2. Step 2: Convert to fraction form
    52,022.21/71,790.41 = 28,149.30/x
  3. Step 3: Cross multiply
    52,022.21x = 71,790.41 × 28,149.30
  4. Step 4: Simplify right side
    52,022.21x = 2,020,849,858.59
  5. Step 5: Solve for x
    x = 2,020,849,858.59/52,022.21
  6. Step 6: Final answer
    x = 38,845.91

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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.