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Finding the Fourth Proportional to 61,157.22, 84,397.80 and 36,954.82

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Solution

The fourth proportional to 61,157.22, 84,397.80 and 36,954.82 is: 50,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,157.22 : 84,397.80 = 36,954.82 : x
  2. Step 2: Convert to fraction form
    61,157.22/84,397.80 = 36,954.82/x
  3. Step 3: Cross multiply
    61,157.22x = 84,397.80 × 36,954.82
  4. Step 4: Simplify right side
    61,157.22x = 3,118,905,507.40
  5. Step 5: Solve for x
    x = 3,118,905,507.40/61,157.22
  6. Step 6: Final answer
    x = 50,998.16

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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.