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Finding the Fourth Proportional to 61,903.80, 92,844.90 and 22,440.60

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Solution

The fourth proportional to 61,903.80, 92,844.90 and 22,440.60 is: 33,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,903.80 : 92,844.90 = 22,440.60 : x
  2. Step 2: Convert to fraction form
    61,903.80/92,844.90 = 22,440.60/x
  3. Step 3: Cross multiply
    61,903.80x = 92,844.90 × 22,440.60
  4. Step 4: Simplify right side
    61,903.80x = 2,083,495,262.94
  5. Step 5: Solve for x
    x = 2,083,495,262.94/61,903.80
  6. Step 6: Final answer
    x = 33,656.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.