Home / 36,632-54,945.44-19,111.68

Finding the Fourth Proportional to 36,632, 54,945.44 and 19,111.68

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Solution

The fourth proportional to 36,632, 54,945.44 and 19,111.68 is: 28,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,632 : 54,945.44 = 19,111.68 : x
  2. Step 2: Convert to fraction form
    36,632/54,945.44 = 19,111.68/x
  3. Step 3: Cross multiply
    36,632x = 54,945.44 × 19,111.68
  4. Step 4: Simplify right side
    36,632x = 1,050,099,666.74
  5. Step 5: Solve for x
    x = 1,050,099,666.74/36,632
  6. Step 6: Final answer
    x = 28,666.18

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1.5x scale

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.