Home / 39,945.96-59,866.74-20,213.82

Finding the Fourth Proportional to 39,945.96, 59,866.74 and 20,213.82

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Solution

The fourth proportional to 39,945.96, 59,866.74 and 20,213.82 is: 30,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.96 : 59,866.74 = 20,213.82 : x
  2. Step 2: Convert to fraction form
    39,945.96/59,866.74 = 20,213.82/x
  3. Step 3: Cross multiply
    39,945.96x = 59,866.74 × 20,213.82
  4. Step 4: Simplify right side
    39,945.96x = 1,210,135,506.35
  5. Step 5: Solve for x
    x = 1,210,135,506.35/39,945.96
  6. Step 6: Final answer
    x = 30,294.32

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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.