Home / 39,816.05-59,760.99-20,108.48

Finding the Fourth Proportional to 39,816.05, 59,760.99 and 20,108.48

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Solution

The fourth proportional to 39,816.05, 59,760.99 and 20,108.48 is: 30,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,816.05 : 59,760.99 = 20,108.48 : x
  2. Step 2: Convert to fraction form
    39,816.05/59,760.99 = 20,108.48/x
  3. Step 3: Cross multiply
    39,816.05x = 59,760.99 × 20,108.48
  4. Step 4: Simplify right side
    39,816.05x = 1,201,702,373.39
  5. Step 5: Solve for x
    x = 1,201,702,373.39/39,816.05
  6. Step 6: Final answer
    x = 30,181.36

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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.