Home / 39,793.50-59,690.31-13,140.97

Finding the Fourth Proportional to 39,793.50, 59,690.31 and 13,140.97

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Solution

The fourth proportional to 39,793.50, 59,690.31 and 13,140.97 is: 19,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,793.50 : 59,690.31 = 13,140.97 : x
  2. Step 2: Convert to fraction form
    39,793.50/59,690.31 = 13,140.97/x
  3. Step 3: Cross multiply
    39,793.50x = 59,690.31 × 13,140.97
  4. Step 4: Simplify right side
    39,793.50x = 784,388,573.00
  5. Step 5: Solve for x
    x = 784,388,573.00/39,793.50
  6. Step 6: Final answer
    x = 19,711.47

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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.