Home / 31,524.48-43,498.86-20,204.16

Finding the Fourth Proportional to 31,524.48, 43,498.86 and 20,204.16

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Solution

The fourth proportional to 31,524.48, 43,498.86 and 20,204.16 is: 27,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.48 : 43,498.86 = 20,204.16 : x
  2. Step 2: Convert to fraction form
    31,524.48/43,498.86 = 20,204.16/x
  3. Step 3: Cross multiply
    31,524.48x = 43,498.86 × 20,204.16
  4. Step 4: Simplify right side
    31,524.48x = 878,857,927.26
  5. Step 5: Solve for x
    x = 878,857,927.26/31,524.48
  6. Step 6: Final answer
    x = 27,878.59

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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.