Home / 48,686.15-67,198.09-28,549.51

Finding the Fourth Proportional to 48,686.15, 67,198.09 and 28,549.51

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Solution

The fourth proportional to 48,686.15, 67,198.09 and 28,549.51 is: 39,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.15 : 67,198.09 = 28,549.51 : x
  2. Step 2: Convert to fraction form
    48,686.15/67,198.09 = 28,549.51/x
  3. Step 3: Cross multiply
    48,686.15x = 67,198.09 × 28,549.51
  4. Step 4: Simplify right side
    48,686.15x = 1,918,472,710.43
  5. Step 5: Solve for x
    x = 1,918,472,710.43/48,686.15
  6. Step 6: Final answer
    x = 39,404.90

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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.