Home / 31,249.79-43,123.65-17,825.39

Finding the Fourth Proportional to 31,249.79, 43,123.65 and 17,825.39

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Solution

The fourth proportional to 31,249.79, 43,123.65 and 17,825.39 is: 24,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.79 : 43,123.65 = 17,825.39 : x
  2. Step 2: Convert to fraction form
    31,249.79/43,123.65 = 17,825.39/x
  3. Step 3: Cross multiply
    31,249.79x = 43,123.65 × 17,825.39
  4. Step 4: Simplify right side
    31,249.79x = 768,695,879.47
  5. Step 5: Solve for x
    x = 768,695,879.47/31,249.79
  6. Step 6: Final answer
    x = 24,598.43

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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.