Home / 48,293.82-66,647.20-28,147.45

Finding the Fourth Proportional to 48,293.82, 66,647.20 and 28,147.45

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Solution

The fourth proportional to 48,293.82, 66,647.20 and 28,147.45 is: 38,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,293.82 : 66,647.20 = 28,147.45 : x
  2. Step 2: Convert to fraction form
    48,293.82/66,647.20 = 28,147.45/x
  3. Step 3: Cross multiply
    48,293.82x = 66,647.20 × 28,147.45
  4. Step 4: Simplify right side
    48,293.82x = 1,875,948,729.64
  5. Step 5: Solve for x
    x = 1,875,948,729.64/48,293.82
  6. Step 6: Final answer
    x = 38,844.49

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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.