Home / 38,863.04-53,639.80-27,520.72

Finding the Fourth Proportional to 38,863.04, 53,639.80 and 27,520.72

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Solution

The fourth proportional to 38,863.04, 53,639.80 and 27,520.72 is: 37,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,863.04 : 53,639.80 = 27,520.72 : x
  2. Step 2: Convert to fraction form
    38,863.04/53,639.80 = 27,520.72/x
  3. Step 3: Cross multiply
    38,863.04x = 53,639.80 × 27,520.72
  4. Step 4: Simplify right side
    38,863.04x = 1,476,205,916.66
  5. Step 5: Solve for x
    x = 1,476,205,916.66/38,863.04
  6. Step 6: Final answer
    x = 37,984.83

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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.