Home / 43,662.51-65,490.66-15,579.38

Finding the Fourth Proportional to 43,662.51, 65,490.66 and 15,579.38

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Solution

The fourth proportional to 43,662.51, 65,490.66 and 15,579.38 is: 23,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,662.51 : 65,490.66 = 15,579.38 : x
  2. Step 2: Convert to fraction form
    43,662.51/65,490.66 = 15,579.38/x
  3. Step 3: Cross multiply
    43,662.51x = 65,490.66 × 15,579.38
  4. Step 4: Simplify right side
    43,662.51x = 1,020,304,042.32
  5. Step 5: Solve for x
    x = 1,020,304,042.32/43,662.51
  6. Step 6: Final answer
    x = 23,367.97

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1.5x scale

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.