Home / 39,923.68-59,832.31-18,869.31

Finding the Fourth Proportional to 39,923.68, 59,832.31 and 18,869.31

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Solution

The fourth proportional to 39,923.68, 59,832.31 and 18,869.31 is: 28,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.68 : 59,832.31 = 18,869.31 : x
  2. Step 2: Convert to fraction form
    39,923.68/59,832.31 = 18,869.31/x
  3. Step 3: Cross multiply
    39,923.68x = 59,832.31 × 18,869.31
  4. Step 4: Simplify right side
    39,923.68x = 1,128,994,405.41
  5. Step 5: Solve for x
    x = 1,128,994,405.41/39,923.68
  6. Step 6: Final answer
    x = 28,278.82

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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.