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Finding the Fourth Proportional to 60,935.38, 91,384.45 and 21,483.27

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Solution

The fourth proportional to 60,935.38, 91,384.45 and 21,483.27 is: 32,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,935.38 : 91,384.45 = 21,483.27 : x
  2. Step 2: Convert to fraction form
    60,935.38/91,384.45 = 21,483.27/x
  3. Step 3: Cross multiply
    60,935.38x = 91,384.45 × 21,483.27
  4. Step 4: Simplify right side
    60,935.38x = 1,963,236,813.15
  5. Step 5: Solve for x
    x = 1,963,236,813.15/60,935.38
  6. Step 6: Final answer
    x = 32,218.34

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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.