Home / 34,020.80-51,023.40-12,963.23

Finding the Fourth Proportional to 34,020.80, 51,023.40 and 12,963.23

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Solution

The fourth proportional to 34,020.80, 51,023.40 and 12,963.23 is: 19,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,020.80 : 51,023.40 = 12,963.23 : x
  2. Step 2: Convert to fraction form
    34,020.80/51,023.40 = 12,963.23/x
  3. Step 3: Cross multiply
    34,020.80x = 51,023.40 × 12,963.23
  4. Step 4: Simplify right side
    34,020.80x = 661,428,069.58
  5. Step 5: Solve for x
    x = 661,428,069.58/34,020.80
  6. Step 6: Final answer
    x = 19,441.87

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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.