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Finding the Fourth Proportional to 61,334.59, 92,014.24 and 21,890.68

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Solution

The fourth proportional to 61,334.59, 92,014.24 and 21,890.68 is: 32,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,334.59 : 92,014.24 = 21,890.68 : x
  2. Step 2: Convert to fraction form
    61,334.59/92,014.24 = 21,890.68/x
  3. Step 3: Cross multiply
    61,334.59x = 92,014.24 × 21,890.68
  4. Step 4: Simplify right side
    61,334.59x = 2,014,254,283.28
  5. Step 5: Solve for x
    x = 2,014,254,283.28/61,334.59
  6. Step 6: Final answer
    x = 32,840.43

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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.