Home / 52,161.57-78,222.71-18,873.41

Finding the Fourth Proportional to 52,161.57, 78,222.71 and 18,873.41

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Solution

The fourth proportional to 52,161.57, 78,222.71 and 18,873.41 is: 28,303.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,161.57 : 78,222.71 = 18,873.41 : x
  2. Step 2: Convert to fraction form
    52,161.57/78,222.71 = 18,873.41/x
  3. Step 3: Cross multiply
    52,161.57x = 78,222.71 × 18,873.41
  4. Step 4: Simplify right side
    52,161.57x = 1,476,328,933.21
  5. Step 5: Solve for x
    x = 1,476,328,933.21/52,161.57
  6. Step 6: Final answer
    x = 28,303.00

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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.