Home / 31,697.90-43,743.74-17,551.24

Finding the Fourth Proportional to 31,697.90, 43,743.74 and 17,551.24

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Solution

The fourth proportional to 31,697.90, 43,743.74 and 17,551.24 is: 24,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.90 : 43,743.74 = 17,551.24 : x
  2. Step 2: Convert to fraction form
    31,697.90/43,743.74 = 17,551.24/x
  3. Step 3: Cross multiply
    31,697.90x = 43,743.74 × 17,551.24
  4. Step 4: Simplify right side
    31,697.90x = 767,756,879.24
  5. Step 5: Solve for x
    x = 767,756,879.24/31,697.90
  6. Step 6: Final answer
    x = 24,221.06

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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.