Home / 36,013.86-49,690.87-21,669.84

Finding the Fourth Proportional to 36,013.86, 49,690.87 and 21,669.84

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Solution

The fourth proportional to 36,013.86, 49,690.87 and 21,669.84 is: 29,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,013.86 : 49,690.87 = 21,669.84 : x
  2. Step 2: Convert to fraction form
    36,013.86/49,690.87 = 21,669.84/x
  3. Step 3: Cross multiply
    36,013.86x = 49,690.87 × 21,669.84
  4. Step 4: Simplify right side
    36,013.86x = 1,076,793,148.19
  5. Step 5: Solve for x
    x = 1,076,793,148.19/36,013.86
  6. Step 6: Final answer
    x = 29,899.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.