Home / 31,360.98-43,277.79-17,020.84

Finding the Fourth Proportional to 31,360.98, 43,277.79 and 17,020.84

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Solution

The fourth proportional to 31,360.98, 43,277.79 and 17,020.84 is: 23,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.98 : 43,277.79 = 17,020.84 : x
  2. Step 2: Convert to fraction form
    31,360.98/43,277.79 = 17,020.84/x
  3. Step 3: Cross multiply
    31,360.98x = 43,277.79 × 17,020.84
  4. Step 4: Simplify right side
    31,360.98x = 736,624,328.05
  5. Step 5: Solve for x
    x = 736,624,328.05/31,360.98
  6. Step 6: Final answer
    x = 23,488.56

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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.