Home / 39,865.15-59,796.23-9,879.48

Finding the Fourth Proportional to 39,865.15, 59,796.23 and 9,879.48

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Solution

The fourth proportional to 39,865.15, 59,796.23 and 9,879.48 is: 14,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865.15 : 59,796.23 = 9,879.48 : x
  2. Step 2: Convert to fraction form
    39,865.15/59,796.23 = 9,879.48/x
  3. Step 3: Cross multiply
    39,865.15x = 59,796.23 × 9,879.48
  4. Step 4: Simplify right side
    39,865.15x = 590,755,309.98
  5. Step 5: Solve for x
    x = 590,755,309.98/39,865.15
  6. Step 6: Final answer
    x = 14,818.84

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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.