Home / 35,756.46-49,343.96-19,840.91

Finding the Fourth Proportional to 35,756.46, 49,343.96 and 19,840.91

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Solution

The fourth proportional to 35,756.46, 49,343.96 and 19,840.91 is: 27,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.46 : 49,343.96 = 19,840.91 : x
  2. Step 2: Convert to fraction form
    35,756.46/49,343.96 = 19,840.91/x
  3. Step 3: Cross multiply
    35,756.46x = 49,343.96 × 19,840.91
  4. Step 4: Simplify right side
    35,756.46x = 979,028,872.29
  5. Step 5: Solve for x
    x = 979,028,872.29/35,756.46
  6. Step 6: Final answer
    x = 27,380.48

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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.