Home / 31,587.39-43,590.58-18,161.27

Finding the Fourth Proportional to 31,587.39, 43,590.58 and 18,161.27

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Solution

The fourth proportional to 31,587.39, 43,590.58 and 18,161.27 is: 25,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.39 : 43,590.58 = 18,161.27 : x
  2. Step 2: Convert to fraction form
    31,587.39/43,590.58 = 18,161.27/x
  3. Step 3: Cross multiply
    31,587.39x = 43,590.58 × 18,161.27
  4. Step 4: Simplify right side
    31,587.39x = 791,660,292.84
  5. Step 5: Solve for x
    x = 791,660,292.84/31,587.39
  6. Step 6: Final answer
    x = 25,062.54

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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.