Home / 48,461.20-66,866.64-28,314.19

Finding the Fourth Proportional to 48,461.20, 66,866.64 and 28,314.19

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Solution

The fourth proportional to 48,461.20, 66,866.64 and 28,314.19 is: 39,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,461.20 : 66,866.64 = 28,314.19 : x
  2. Step 2: Convert to fraction form
    48,461.20/66,866.64 = 28,314.19/x
  3. Step 3: Cross multiply
    48,461.20x = 66,866.64 × 28,314.19
  4. Step 4: Simplify right side
    48,461.20x = 1,893,274,749.62
  5. Step 5: Solve for x
    x = 1,893,274,749.62/48,461.20
  6. Step 6: Final answer
    x = 39,067.85

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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.