Home / 39,490.20-59,238.27-13,194.90

Finding the Fourth Proportional to 39,490.20, 59,238.27 and 13,194.90

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Solution

The fourth proportional to 39,490.20, 59,238.27 and 13,194.90 is: 19,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,490.20 : 59,238.27 = 13,194.90 : x
  2. Step 2: Convert to fraction form
    39,490.20/59,238.27 = 13,194.90/x
  3. Step 3: Cross multiply
    39,490.20x = 59,238.27 × 13,194.90
  4. Step 4: Simplify right side
    39,490.20x = 781,643,048.82
  5. Step 5: Solve for x
    x = 781,643,048.82/39,490.20
  6. Step 6: Final answer
    x = 19,793.34

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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.