Home / 35,620.71-49,156.57-19,705.17

Finding the Fourth Proportional to 35,620.71, 49,156.57 and 19,705.17

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Solution

The fourth proportional to 35,620.71, 49,156.57 and 19,705.17 is: 27,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.71 : 49,156.57 = 19,705.17 : x
  2. Step 2: Convert to fraction form
    35,620.71/49,156.57 = 19,705.17/x
  3. Step 3: Cross multiply
    35,620.71x = 49,156.57 × 19,705.17
  4. Step 4: Simplify right side
    35,620.71x = 968,638,777.44
  5. Step 5: Solve for x
    x = 968,638,777.44/35,620.71
  6. Step 6: Final answer
    x = 27,193.13

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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.