Home / 52,021.08-71,788.86-28,148.18

Finding the Fourth Proportional to 52,021.08, 71,788.86 and 28,148.18

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Solution

The fourth proportional to 52,021.08, 71,788.86 and 28,148.18 is: 38,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021.08 : 71,788.86 = 28,148.18 : x
  2. Step 2: Convert to fraction form
    52,021.08/71,788.86 = 28,148.18/x
  3. Step 3: Cross multiply
    52,021.08x = 71,788.86 × 28,148.18
  4. Step 4: Simplify right side
    52,021.08x = 2,020,725,394.33
  5. Step 5: Solve for x
    x = 2,020,725,394.33/52,021.08
  6. Step 6: Final answer
    x = 38,844.36

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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.