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Finding the Fourth Proportional to 61,677, 92,530.13 and 20,124

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Solution

The fourth proportional to 61,677, 92,530.13 and 20,124 is: 30,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,677 : 92,530.13 = 20,124 : x
  2. Step 2: Convert to fraction form
    61,677/92,530.13 = 20,124/x
  3. Step 3: Cross multiply
    61,677x = 92,530.13 × 20,124
  4. Step 4: Simplify right side
    61,677x = 1,862,076,235.50
  5. Step 5: Solve for x
    x = 1,862,076,235.50/61,677
  6. Step 6: Final answer
    x = 30,190.77

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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.