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Finding the Fourth Proportional to 61,946.80, 92,916.44 and 21,967.76

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Solution

The fourth proportional to 61,946.80, 92,916.44 and 21,967.76 is: 32,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,946.80 : 92,916.44 = 21,967.76 : x
  2. Step 2: Convert to fraction form
    61,946.80/92,916.44 = 21,967.76/x
  3. Step 3: Cross multiply
    61,946.80x = 92,916.44 × 21,967.76
  4. Step 4: Simplify right side
    61,946.80x = 2,041,166,053.97
  5. Step 5: Solve for x
    x = 2,041,166,053.97/61,946.80
  6. Step 6: Final answer
    x = 32,950.31

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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.