Home / 35,654.46-49,196.60-20,545

Finding the Fourth Proportional to 35,654.46, 49,196.60 and 20,545

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Solution

The fourth proportional to 35,654.46, 49,196.60 and 20,545 is: 28,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,654.46 : 49,196.60 = 20,545 : x
  2. Step 2: Convert to fraction form
    35,654.46/49,196.60 = 20,545/x
  3. Step 3: Cross multiply
    35,654.46x = 49,196.60 × 20,545
  4. Step 4: Simplify right side
    35,654.46x = 1,010,744,147
  5. Step 5: Solve for x
    x = 1,010,744,147/35,654.46
  6. Step 6: Final answer
    x = 28,348.32

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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.