Home / 48,942.36-67,528.84-28,800.12

Finding the Fourth Proportional to 48,942.36, 67,528.84 and 28,800.12

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Solution

The fourth proportional to 48,942.36, 67,528.84 and 28,800.12 is: 39,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,942.36 : 67,528.84 = 28,800.12 : x
  2. Step 2: Convert to fraction form
    48,942.36/67,528.84 = 28,800.12/x
  3. Step 3: Cross multiply
    48,942.36x = 67,528.84 × 28,800.12
  4. Step 4: Simplify right side
    48,942.36x = 1,944,838,695.46
  5. Step 5: Solve for x
    x = 1,944,838,695.46/48,942.36
  6. Step 6: Final answer
    x = 39,737.33

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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.