Home / 43,029.15-64,512.27-28,954.19

Finding the Fourth Proportional to 43,029.15, 64,512.27 and 28,954.19

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Solution

The fourth proportional to 43,029.15, 64,512.27 and 28,954.19 is: 43,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,029.15 : 64,512.27 = 28,954.19 : x
  2. Step 2: Convert to fraction form
    43,029.15/64,512.27 = 28,954.19/x
  3. Step 3: Cross multiply
    43,029.15x = 64,512.27 × 28,954.19
  4. Step 4: Simplify right side
    43,029.15x = 1,867,900,200.35
  5. Step 5: Solve for x
    x = 1,867,900,200.35/43,029.15
  6. Step 6: Final answer
    x = 43,410.11

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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.