Home / 39,815.64-59,760.36-20,108.04

Finding the Fourth Proportional to 39,815.64, 59,760.36 and 20,108.04

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Solution

The fourth proportional to 39,815.64, 59,760.36 and 20,108.04 is: 30,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.64 : 59,760.36 = 20,108.04 : x
  2. Step 2: Convert to fraction form
    39,815.64/59,760.36 = 20,108.04/x
  3. Step 3: Cross multiply
    39,815.64x = 59,760.36 × 20,108.04
  4. Step 4: Simplify right side
    39,815.64x = 1,201,663,709.29
  5. Step 5: Solve for x
    x = 1,201,663,709.29/39,815.64
  6. Step 6: Final answer
    x = 30,180.70

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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.