Home / 53,120.32-79,664.64-18,052

Finding the Fourth Proportional to 53,120.32, 79,664.64 and 18,052

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Solution

The fourth proportional to 53,120.32, 79,664.64 and 18,052 is: 27,072.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.32 : 79,664.64 = 18,052 : x
  2. Step 2: Convert to fraction form
    53,120.32/79,664.64 = 18,052/x
  3. Step 3: Cross multiply
    53,120.32x = 79,664.64 × 18,052
  4. Step 4: Simplify right side
    53,120.32x = 1,438,106,081.28
  5. Step 5: Solve for x
    x = 1,438,106,081.28/53,120.32
  6. Step 6: Final answer
    x = 27,072.62

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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.