Home / 39,822.24-59,743.08-12,120.24

Finding the Fourth Proportional to 39,822.24, 59,743.08 and 12,120.24

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Solution

The fourth proportional to 39,822.24, 59,743.08 and 12,120.24 is: 18,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,822.24 : 59,743.08 = 12,120.24 : x
  2. Step 2: Convert to fraction form
    39,822.24/59,743.08 = 12,120.24/x
  3. Step 3: Cross multiply
    39,822.24x = 59,743.08 × 12,120.24
  4. Step 4: Simplify right side
    39,822.24x = 724,100,467.94
  5. Step 5: Solve for x
    x = 724,100,467.94/39,822.24
  6. Step 6: Final answer
    x = 18,183.32

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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.