Home / 39,490.88-59,239.38-13,195.71

Finding the Fourth Proportional to 39,490.88, 59,239.38 and 13,195.71

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Solution

The fourth proportional to 39,490.88, 59,239.38 and 13,195.71 is: 19,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,490.88 : 59,239.38 = 13,195.71 : x
  2. Step 2: Convert to fraction form
    39,490.88/59,239.38 = 13,195.71/x
  3. Step 3: Cross multiply
    39,490.88x = 59,239.38 × 13,195.71
  4. Step 4: Simplify right side
    39,490.88x = 781,705,876.47
  5. Step 5: Solve for x
    x = 781,705,876.47/39,490.88
  6. Step 6: Final answer
    x = 19,794.59

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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.