Home / 35,580.76-49,098.49-19,665.21

Finding the Fourth Proportional to 35,580.76, 49,098.49 and 19,665.21

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Solution

The fourth proportional to 35,580.76, 49,098.49 and 19,665.21 is: 27,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,580.76 : 49,098.49 = 19,665.21 : x
  2. Step 2: Convert to fraction form
    35,580.76/49,098.49 = 19,665.21/x
  3. Step 3: Cross multiply
    35,580.76x = 49,098.49 × 19,665.21
  4. Step 4: Simplify right side
    35,580.76x = 965,532,116.53
  5. Step 5: Solve for x
    x = 965,532,116.53/35,580.76
  6. Step 6: Final answer
    x = 27,136.35

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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.