Home / 31,703.18-43,650.81-26,913.20

Finding the Fourth Proportional to 31,703.18, 43,650.81 and 26,913.20

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Solution

The fourth proportional to 31,703.18, 43,650.81 and 26,913.20 is: 37,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.18 : 43,650.81 = 26,913.20 : x
  2. Step 2: Convert to fraction form
    31,703.18/43,650.81 = 26,913.20/x
  3. Step 3: Cross multiply
    31,703.18x = 43,650.81 × 26,913.20
  4. Step 4: Simplify right side
    31,703.18x = 1,174,782,983.44
  5. Step 5: Solve for x
    x = 1,174,782,983.44/31,703.18
  6. Step 6: Final answer
    x = 37,055.68

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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.