Home / 43,659.40-65,475.43-28,946.36

Finding the Fourth Proportional to 43,659.40, 65,475.43 and 28,946.36

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Solution

The fourth proportional to 43,659.40, 65,475.43 and 28,946.36 is: 43,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,659.40 : 65,475.43 = 28,946.36 : x
  2. Step 2: Convert to fraction form
    43,659.40/65,475.43 = 28,946.36/x
  3. Step 3: Cross multiply
    43,659.40x = 65,475.43 × 28,946.36
  4. Step 4: Simplify right side
    43,659.40x = 1,895,275,367.93
  5. Step 5: Solve for x
    x = 1,895,275,367.93/43,659.40
  6. Step 6: Final answer
    x = 43,410.48

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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.