Home / 39,403.40-59,092.86-13,101.80

Finding the Fourth Proportional to 39,403.40, 59,092.86 and 13,101.80

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Solution

The fourth proportional to 39,403.40, 59,092.86 and 13,101.80 is: 19,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.40 : 59,092.86 = 13,101.80 : x
  2. Step 2: Convert to fraction form
    39,403.40/59,092.86 = 13,101.80/x
  3. Step 3: Cross multiply
    39,403.40x = 59,092.86 × 13,101.80
  4. Step 4: Simplify right side
    39,403.40x = 774,222,833.15
  5. Step 5: Solve for x
    x = 774,222,833.15/39,403.40
  6. Step 6: Final answer
    x = 19,648.63

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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.