Home / 48,937.45-67,530.49-28,790.44

Finding the Fourth Proportional to 48,937.45, 67,530.49 and 28,790.44

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Solution

The fourth proportional to 48,937.45, 67,530.49 and 28,790.44 is: 39,728.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,937.45 : 67,530.49 = 28,790.44 : x
  2. Step 2: Convert to fraction form
    48,937.45/67,530.49 = 28,790.44/x
  3. Step 3: Cross multiply
    48,937.45x = 67,530.49 × 28,790.44
  4. Step 4: Simplify right side
    48,937.45x = 1,944,232,207.74
  5. Step 5: Solve for x
    x = 1,944,232,207.74/48,937.45
  6. Step 6: Final answer
    x = 39,728.92

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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.