Home / 52,021.58-71,789.55-28,148.68

Finding the Fourth Proportional to 52,021.58, 71,789.55 and 28,148.68

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Solution

The fourth proportional to 52,021.58, 71,789.55 and 28,148.68 is: 38,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021.58 : 71,789.55 = 28,148.68 : x
  2. Step 2: Convert to fraction form
    52,021.58/71,789.55 = 28,148.68/x
  3. Step 3: Cross multiply
    52,021.58x = 71,789.55 × 28,148.68
  4. Step 4: Simplify right side
    52,021.58x = 2,020,780,711.35
  5. Step 5: Solve for x
    x = 2,020,780,711.35/52,021.58
  6. Step 6: Final answer
    x = 38,845.05

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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.