Home / 34,087.80-51,123.75-13,020.18

Finding the Fourth Proportional to 34,087.80, 51,123.75 and 13,020.18

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Solution

The fourth proportional to 34,087.80, 51,123.75 and 13,020.18 is: 19,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,087.80 : 51,123.75 = 13,020.18 : x
  2. Step 2: Convert to fraction form
    34,087.80/51,123.75 = 13,020.18/x
  3. Step 3: Cross multiply
    34,087.80x = 51,123.75 × 13,020.18
  4. Step 4: Simplify right side
    34,087.80x = 665,640,427.28
  5. Step 5: Solve for x
    x = 665,640,427.28/34,087.80
  6. Step 6: Final answer
    x = 19,527.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.