Home / 35,791.90-49,393.40-19,439.12

Finding the Fourth Proportional to 35,791.90, 49,393.40 and 19,439.12

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Solution

The fourth proportional to 35,791.90, 49,393.40 and 19,439.12 is: 26,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.90 : 49,393.40 = 19,439.12 : x
  2. Step 2: Convert to fraction form
    35,791.90/49,393.40 = 19,439.12/x
  3. Step 3: Cross multiply
    35,791.90x = 49,393.40 × 19,439.12
  4. Step 4: Simplify right side
    35,791.90x = 960,164,256.10
  5. Step 5: Solve for x
    x = 960,164,256.10/35,791.90
  6. Step 6: Final answer
    x = 26,826.30

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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.