Home / 35,638.52-49,124.48-28,072.85

Finding the Fourth Proportional to 35,638.52, 49,124.48 and 28,072.85

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Solution

The fourth proportional to 35,638.52, 49,124.48 and 28,072.85 is: 38,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.52 : 49,124.48 = 28,072.85 : x
  2. Step 2: Convert to fraction form
    35,638.52/49,124.48 = 28,072.85/x
  3. Step 3: Cross multiply
    35,638.52x = 49,124.48 × 28,072.85
  4. Step 4: Simplify right side
    35,638.52x = 1,379,063,772.38
  5. Step 5: Solve for x
    x = 1,379,063,772.38/35,638.52
  6. Step 6: Final answer
    x = 38,695.88

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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.