Home / 39,704.64-59,558.24-19,972.40

Finding the Fourth Proportional to 39,704.64, 59,558.24 and 19,972.40

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Solution

The fourth proportional to 39,704.64, 59,558.24 and 19,972.40 is: 29,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,704.64 : 59,558.24 = 19,972.40 : x
  2. Step 2: Convert to fraction form
    39,704.64/59,558.24 = 19,972.40/x
  3. Step 3: Cross multiply
    39,704.64x = 59,558.24 × 19,972.40
  4. Step 4: Simplify right side
    39,704.64x = 1,189,520,992.58
  5. Step 5: Solve for x
    x = 1,189,520,992.58/39,704.64
  6. Step 6: Final answer
    x = 29,959.24

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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.