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Finding the Fourth Proportional to 55,071.98, 75,993.62 and 32,409.62

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Solution

The fourth proportional to 55,071.98, 75,993.62 and 32,409.62 is: 44,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.98 : 75,993.62 = 32,409.62 : x
  2. Step 2: Convert to fraction form
    55,071.98/75,993.62 = 32,409.62/x
  3. Step 3: Cross multiply
    55,071.98x = 75,993.62 × 32,409.62
  4. Step 4: Simplify right side
    55,071.98x = 2,462,924,617.63
  5. Step 5: Solve for x
    x = 2,462,924,617.63/55,071.98
  6. Step 6: Final answer
    x = 44,721.92

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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.