Home / 35,636.73-49,176.90-19,722.21

Finding the Fourth Proportional to 35,636.73, 49,176.90 and 19,722.21

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Solution

The fourth proportional to 35,636.73, 49,176.90 and 19,722.21 is: 27,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.73 : 49,176.90 = 19,722.21 : x
  2. Step 2: Convert to fraction form
    35,636.73/49,176.90 = 19,722.21/x
  3. Step 3: Cross multiply
    35,636.73x = 49,176.90 × 19,722.21
  4. Step 4: Simplify right side
    35,636.73x = 969,877,148.95
  5. Step 5: Solve for x
    x = 969,877,148.95/35,636.73
  6. Step 6: Final answer
    x = 27,215.66

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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.