Home / 31,563.98-43,580.31-19,632.68

Finding the Fourth Proportional to 31,563.98, 43,580.31 and 19,632.68

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Solution

The fourth proportional to 31,563.98, 43,580.31 and 19,632.68 is: 27,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.98 : 43,580.31 = 19,632.68 : x
  2. Step 2: Convert to fraction form
    31,563.98/43,580.31 = 19,632.68/x
  3. Step 3: Cross multiply
    31,563.98x = 43,580.31 × 19,632.68
  4. Step 4: Simplify right side
    31,563.98x = 855,598,280.53
  5. Step 5: Solve for x
    x = 855,598,280.53/31,563.98
  6. Step 6: Final answer
    x = 27,106.79

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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.