Home / 31,410.36-43,345.79-17,262.90

Finding the Fourth Proportional to 31,410.36, 43,345.79 and 17,262.90

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Solution

The fourth proportional to 31,410.36, 43,345.79 and 17,262.90 is: 23,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.36 : 43,345.79 = 17,262.90 : x
  2. Step 2: Convert to fraction form
    31,410.36/43,345.79 = 17,262.90/x
  3. Step 3: Cross multiply
    31,410.36x = 43,345.79 × 17,262.90
  4. Step 4: Simplify right side
    31,410.36x = 748,273,951.88
  5. Step 5: Solve for x
    x = 748,273,951.88/31,410.36
  6. Step 6: Final answer
    x = 23,822.52

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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.