Home / 31,562.98-43,578.93-19,631.68

Finding the Fourth Proportional to 31,562.98, 43,578.93 and 19,631.68

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Solution

The fourth proportional to 31,562.98, 43,578.93 and 19,631.68 is: 27,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.98 : 43,578.93 = 19,631.68 : x
  2. Step 2: Convert to fraction form
    31,562.98/43,578.93 = 19,631.68/x
  3. Step 3: Cross multiply
    31,562.98x = 43,578.93 × 19,631.68
  4. Step 4: Simplify right side
    31,562.98x = 855,527,608.50
  5. Step 5: Solve for x
    x = 855,527,608.50/31,562.98
  6. Step 6: Final answer
    x = 27,105.41

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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.