Home / 36,490.68-54,637.29-18,923.58

Finding the Fourth Proportional to 36,490.68, 54,637.29 and 18,923.58

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Solution

The fourth proportional to 36,490.68, 54,637.29 and 18,923.58 is: 28,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.68 : 54,637.29 = 18,923.58 : x
  2. Step 2: Convert to fraction form
    36,490.68/54,637.29 = 18,923.58/x
  3. Step 3: Cross multiply
    36,490.68x = 54,637.29 × 18,923.58
  4. Step 4: Simplify right side
    36,490.68x = 1,033,933,128.30
  5. Step 5: Solve for x
    x = 1,033,933,128.30/36,490.68
  6. Step 6: Final answer
    x = 28,334.17

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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.