Home / 31,814.12-43,895.58-17,663.42

Finding the Fourth Proportional to 31,814.12, 43,895.58 and 17,663.42

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Solution

The fourth proportional to 31,814.12, 43,895.58 and 17,663.42 is: 24,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.12 : 43,895.58 = 17,663.42 : x
  2. Step 2: Convert to fraction form
    31,814.12/43,895.58 = 17,663.42/x
  3. Step 3: Cross multiply
    31,814.12x = 43,895.58 × 17,663.42
  4. Step 4: Simplify right side
    31,814.12x = 775,346,065.68
  5. Step 5: Solve for x
    x = 775,346,065.68/31,814.12
  6. Step 6: Final answer
    x = 24,371.13

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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.