Home / 35,612.10-49,143.85-19,696.21

Finding the Fourth Proportional to 35,612.10, 49,143.85 and 19,696.21

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Solution

The fourth proportional to 35,612.10, 49,143.85 and 19,696.21 is: 27,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.10 : 49,143.85 = 19,696.21 : x
  2. Step 2: Convert to fraction form
    35,612.10/49,143.85 = 19,696.21/x
  3. Step 3: Cross multiply
    35,612.10x = 49,143.85 × 19,696.21
  4. Step 4: Simplify right side
    35,612.10x = 967,947,589.81
  5. Step 5: Solve for x
    x = 967,947,589.81/35,612.10
  6. Step 6: Final answer
    x = 27,180.30

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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.