Home / 49,614.08-74,424.32-21,912

Finding the Fourth Proportional to 49,614.08, 74,424.32 and 21,912

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Solution

The fourth proportional to 49,614.08, 74,424.32 and 21,912 is: 32,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,614.08 : 74,424.32 = 21,912 : x
  2. Step 2: Convert to fraction form
    49,614.08/74,424.32 = 21,912/x
  3. Step 3: Cross multiply
    49,614.08x = 74,424.32 × 21,912
  4. Step 4: Simplify right side
    49,614.08x = 1,630,785,699.84
  5. Step 5: Solve for x
    x = 1,630,785,699.84/49,614.08
  6. Step 6: Final answer
    x = 32,869.41

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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.