Home / 73,317.24-109,974.90-17,913.72

Finding the Fourth Proportional to 73,317.24, 109,974.90 and 17,913.72

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Solution

The fourth proportional to 73,317.24, 109,974.90 and 17,913.72 is: 26,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,317.24 : 109,974.90 = 17,913.72 : x
  2. Step 2: Convert to fraction form
    73,317.24/109,974.90 = 17,913.72/x
  3. Step 3: Cross multiply
    73,317.24x = 109,974.90 × 17,913.72
  4. Step 4: Simplify right side
    73,317.24x = 1,970,059,565.63
  5. Step 5: Solve for x
    x = 1,970,059,565.63/73,317.24
  6. Step 6: Final answer
    x = 26,870.35

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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.