Home / 43,573.29-65,346.81-15,489.63

Finding the Fourth Proportional to 43,573.29, 65,346.81 and 15,489.63

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Solution

The fourth proportional to 43,573.29, 65,346.81 and 15,489.63 is: 23,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,573.29 : 65,346.81 = 15,489.63 : x
  2. Step 2: Convert to fraction form
    43,573.29/65,346.81 = 15,489.63/x
  3. Step 3: Cross multiply
    43,573.29x = 65,346.81 × 15,489.63
  4. Step 4: Simplify right side
    43,573.29x = 1,012,197,908.58
  5. Step 5: Solve for x
    x = 1,012,197,908.58/43,573.29
  6. Step 6: Final answer
    x = 23,229.78

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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.