Home / 39,490.91-59,239.43-13,195.75

Finding the Fourth Proportional to 39,490.91, 59,239.43 and 13,195.75

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Solution

The fourth proportional to 39,490.91, 59,239.43 and 13,195.75 is: 19,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,490.91 : 59,239.43 = 13,195.75 : x
  2. Step 2: Convert to fraction form
    39,490.91/59,239.43 = 13,195.75/x
  3. Step 3: Cross multiply
    39,490.91x = 59,239.43 × 13,195.75
  4. Step 4: Simplify right side
    39,490.91x = 781,708,708.42
  5. Step 5: Solve for x
    x = 781,708,708.42/39,490.91
  6. Step 6: Final answer
    x = 19,794.65

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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.