Home / 61,651.36-85,081.31-36,154.19

Finding the Fourth Proportional to 61,651.36, 85,081.31 and 36,154.19

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Solution

The fourth proportional to 61,651.36, 85,081.31 and 36,154.19 is: 49,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,651.36 : 85,081.31 = 36,154.19 : x
  2. Step 2: Convert to fraction form
    61,651.36/85,081.31 = 36,154.19/x
  3. Step 3: Cross multiply
    61,651.36x = 85,081.31 × 36,154.19
  4. Step 4: Simplify right side
    61,651.36x = 3,076,045,289.37
  5. Step 5: Solve for x
    x = 3,076,045,289.37/61,651.36
  6. Step 6: Final answer
    x = 49,894.20

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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.