Home / 52,155.27-71,971.79-28,281.44

Finding the Fourth Proportional to 52,155.27, 71,971.79 and 28,281.44

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Solution

The fourth proportional to 52,155.27, 71,971.79 and 28,281.44 is: 39,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,155.27 : 71,971.79 = 28,281.44 : x
  2. Step 2: Convert to fraction form
    52,155.27/71,971.79 = 28,281.44/x
  3. Step 3: Cross multiply
    52,155.27x = 71,971.79 × 28,281.44
  4. Step 4: Simplify right side
    52,155.27x = 2,035,465,359.31
  5. Step 5: Solve for x
    x = 2,035,465,359.31/52,155.27
  6. Step 6: Final answer
    x = 39,027.03

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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.