Home / 52,232.42-78,379.75-18,955.08

Finding the Fourth Proportional to 52,232.42, 78,379.75 and 18,955.08

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Solution

The fourth proportional to 52,232.42, 78,379.75 and 18,955.08 is: 28,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,232.42 : 78,379.75 = 18,955.08 : x
  2. Step 2: Convert to fraction form
    52,232.42/78,379.75 = 18,955.08/x
  3. Step 3: Cross multiply
    52,232.42x = 78,379.75 × 18,955.08
  4. Step 4: Simplify right side
    52,232.42x = 1,485,694,431.63
  5. Step 5: Solve for x
    x = 1,485,694,431.63/52,232.42
  6. Step 6: Final answer
    x = 28,443.91

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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.