Home / 48,945-67,538.37-28,797.45

Finding the Fourth Proportional to 48,945, 67,538.37 and 28,797.45

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Solution

The fourth proportional to 48,945, 67,538.37 and 28,797.45 is: 39,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,945 : 67,538.37 = 28,797.45 : x
  2. Step 2: Convert to fraction form
    48,945/67,538.37 = 28,797.45/x
  3. Step 3: Cross multiply
    48,945x = 67,538.37 × 28,797.45
  4. Step 4: Simplify right side
    48,945x = 1,944,932,833.16
  5. Step 5: Solve for x
    x = 1,944,932,833.16/48,945
  6. Step 6: Final answer
    x = 39,737.11

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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.