Home / 61,007.16-84,185.24-34,143.50

Finding the Fourth Proportional to 61,007.16, 84,185.24 and 34,143.50

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Solution

The fourth proportional to 61,007.16, 84,185.24 and 34,143.50 is: 47,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,007.16 : 84,185.24 = 34,143.50 : x
  2. Step 2: Convert to fraction form
    61,007.16/84,185.24 = 34,143.50/x
  3. Step 3: Cross multiply
    61,007.16x = 84,185.24 × 34,143.50
  4. Step 4: Simplify right side
    61,007.16x = 2,874,378,741.94
  5. Step 5: Solve for x
    x = 2,874,378,741.94/61,007.16
  6. Step 6: Final answer
    x = 47,115.43

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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.