Home / 39,856.91-59,822.22-20,149.21

Finding the Fourth Proportional to 39,856.91, 59,822.22 and 20,149.21

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Solution

The fourth proportional to 39,856.91, 59,822.22 and 20,149.21 is: 30,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856.91 : 59,822.22 = 20,149.21 : x
  2. Step 2: Convert to fraction form
    39,856.91/59,822.22 = 20,149.21/x
  3. Step 3: Cross multiply
    39,856.91x = 59,822.22 × 20,149.21
  4. Step 4: Simplify right side
    39,856.91x = 1,205,370,174.34
  5. Step 5: Solve for x
    x = 1,205,370,174.34/39,856.91
  6. Step 6: Final answer
    x = 30,242.44

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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.