Home / 31,665,928-43,699,065.12-17,179,240

Finding the Fourth Proportional to 31,665,928, 43,699,065.12 and 17,179,240

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Solution

The fourth proportional to 31,665,928, 43,699,065.12 and 17,179,240 is: 23,707,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665,928 : 43,699,065.12 = 17,179,240 : x
  2. Step 2: Convert to fraction form
    31,665,928/43,699,065.12 = 17,179,240/x
  3. Step 3: Cross multiply
    31,665,928x = 43,699,065.12 × 17,179,240
  4. Step 4: Simplify right side
    31,665,928x = 750,716,727,472,108.75
  5. Step 5: Solve for x
    x = 750,716,727,472,108.75/31,665,928
  6. Step 6: Final answer
    x = 23,707,397.03

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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.