Home / 35,742.31-49,322.04-19,826.21

Finding the Fourth Proportional to 35,742.31, 49,322.04 and 19,826.21

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Solution

The fourth proportional to 35,742.31, 49,322.04 and 19,826.21 is: 27,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.31 : 49,322.04 = 19,826.21 : x
  2. Step 2: Convert to fraction form
    35,742.31/49,322.04 = 19,826.21/x
  3. Step 3: Cross multiply
    35,742.31x = 49,322.04 × 19,826.21
  4. Step 4: Simplify right side
    35,742.31x = 977,869,122.67
  5. Step 5: Solve for x
    x = 977,869,122.67/35,742.31
  6. Step 6: Final answer
    x = 27,358.87

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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.