Home / 35,620.20-49,156.65-19,705.77

Finding the Fourth Proportional to 35,620.20, 49,156.65 and 19,705.77

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Solution

The fourth proportional to 35,620.20, 49,156.65 and 19,705.77 is: 27,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.20 : 49,156.65 = 19,705.77 : x
  2. Step 2: Convert to fraction form
    35,620.20/49,156.65 = 19,705.77/x
  3. Step 3: Cross multiply
    35,620.20x = 49,156.65 × 19,705.77
  4. Step 4: Simplify right side
    35,620.20x = 968,669,638.87
  5. Step 5: Solve for x
    x = 968,669,638.87/35,620.20
  6. Step 6: Final answer
    x = 27,194.39

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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.