Home / 31,864.80-43,972.32-17,716.80

Finding the Fourth Proportional to 31,864.80, 43,972.32 and 17,716.80

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Solution

The fourth proportional to 31,864.80, 43,972.32 and 17,716.80 is: 24,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864.80 : 43,972.32 = 17,716.80 : x
  2. Step 2: Convert to fraction form
    31,864.80/43,972.32 = 17,716.80/x
  3. Step 3: Cross multiply
    31,864.80x = 43,972.32 × 17,716.80
  4. Step 4: Simplify right side
    31,864.80x = 779,048,798.98
  5. Step 5: Solve for x
    x = 779,048,798.98/31,864.80
  6. Step 6: Final answer
    x = 24,448.57

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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.