Home / 35,910.81-49,555.40-19,994.85

Finding the Fourth Proportional to 35,910.81, 49,555.40 and 19,994.85

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Solution

The fourth proportional to 35,910.81, 49,555.40 and 19,994.85 is: 27,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,910.81 : 49,555.40 = 19,994.85 : x
  2. Step 2: Convert to fraction form
    35,910.81/49,555.40 = 19,994.85/x
  3. Step 3: Cross multiply
    35,910.81x = 49,555.40 × 19,994.85
  4. Step 4: Simplify right side
    35,910.81x = 990,852,689.72
  5. Step 5: Solve for x
    x = 990,852,689.72/35,910.81
  6. Step 6: Final answer
    x = 27,592.05

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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.