Home / 36,784.56-55,187.32-18,070

Finding the Fourth Proportional to 36,784.56, 55,187.32 and 18,070

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Solution

The fourth proportional to 36,784.56, 55,187.32 and 18,070 is: 27,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,784.56 : 55,187.32 = 18,070 : x
  2. Step 2: Convert to fraction form
    36,784.56/55,187.32 = 18,070/x
  3. Step 3: Cross multiply
    36,784.56x = 55,187.32 × 18,070
  4. Step 4: Simplify right side
    36,784.56x = 997,234,872.40
  5. Step 5: Solve for x
    x = 997,234,872.40/36,784.56
  6. Step 6: Final answer
    x = 27,110.15

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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.