Home / 31,509,520.40-43,483,103.16-17,022,832.40

Finding the Fourth Proportional to 31,509,520.40, 43,483,103.16 and 17,022,832.40

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Solution

The fourth proportional to 31,509,520.40, 43,483,103.16 and 17,022,832.40 is: 23,491,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509,520.40 : 43,483,103.16 = 17,022,832.40 : x
  2. Step 2: Convert to fraction form
    31,509,520.40/43,483,103.16 = 17,022,832.40/x
  3. Step 3: Cross multiply
    31,509,520.40x = 43,483,103.16 × 17,022,832.40
  4. Step 4: Simplify right side
    31,509,520.40x = 740,205,577,324,590.25
  5. Step 5: Solve for x
    x = 740,205,577,324,590.25/31,509,520.40
  6. Step 6: Final answer
    x = 23,491,489.81

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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.