Home / 48,276.12-66,630.06-28,137.24

Finding the Fourth Proportional to 48,276.12, 66,630.06 and 28,137.24

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Solution

The fourth proportional to 48,276.12, 66,630.06 and 28,137.24 is: 38,834.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276.12 : 66,630.06 = 28,137.24 : x
  2. Step 2: Convert to fraction form
    48,276.12/66,630.06 = 28,137.24/x
  3. Step 3: Cross multiply
    48,276.12x = 66,630.06 × 28,137.24
  4. Step 4: Simplify right side
    48,276.12x = 1,874,785,989.43
  5. Step 5: Solve for x
    x = 1,874,785,989.43/48,276.12
  6. Step 6: Final answer
    x = 38,834.65

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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.