Home / 49,640.64-74,466.41-21,541.38

Finding the Fourth Proportional to 49,640.64, 74,466.41 and 21,541.38

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Solution

The fourth proportional to 49,640.64, 74,466.41 and 21,541.38 is: 32,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,640.64 : 74,466.41 = 21,541.38 : x
  2. Step 2: Convert to fraction form
    49,640.64/74,466.41 = 21,541.38/x
  3. Step 3: Cross multiply
    49,640.64x = 74,466.41 × 21,541.38
  4. Step 4: Simplify right side
    49,640.64x = 1,604,109,127.34
  5. Step 5: Solve for x
    x = 1,604,109,127.34/49,640.64
  6. Step 6: Final answer
    x = 32,314.43

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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.