Home / 45,579.67-68,360.85-19,302.86

Finding the Fourth Proportional to 45,579.67, 68,360.85 and 19,302.86

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Solution

The fourth proportional to 45,579.67, 68,360.85 and 19,302.86 is: 28,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,579.67 : 68,360.85 = 19,302.86 : x
  2. Step 2: Convert to fraction form
    45,579.67/68,360.85 = 19,302.86/x
  3. Step 3: Cross multiply
    45,579.67x = 68,360.85 × 19,302.86
  4. Step 4: Simplify right side
    45,579.67x = 1,319,559,917.03
  5. Step 5: Solve for x
    x = 1,319,559,917.03/45,579.67
  6. Step 6: Final answer
    x = 28,950.62

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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.