Home / 45,445.29-68,145.27-28,792.64

Finding the Fourth Proportional to 45,445.29, 68,145.27 and 28,792.64

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Solution

The fourth proportional to 45,445.29, 68,145.27 and 28,792.64 is: 43,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,445.29 : 68,145.27 = 28,792.64 : x
  2. Step 2: Convert to fraction form
    45,445.29/68,145.27 = 28,792.64/x
  3. Step 3: Cross multiply
    45,445.29x = 68,145.27 × 28,792.64
  4. Step 4: Simplify right side
    45,445.29x = 1,962,081,886.09
  5. Step 5: Solve for x
    x = 1,962,081,886.09/45,445.29
  6. Step 6: Final answer
    x = 43,174.59

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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.