Home / 39,009.42-53,832.98-21,104.43

Finding the Fourth Proportional to 39,009.42, 53,832.98 and 21,104.43

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Solution

The fourth proportional to 39,009.42, 53,832.98 and 21,104.43 is: 29,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.42 : 53,832.98 = 21,104.43 : x
  2. Step 2: Convert to fraction form
    39,009.42/53,832.98 = 21,104.43/x
  3. Step 3: Cross multiply
    39,009.42x = 53,832.98 × 21,104.43
  4. Step 4: Simplify right side
    39,009.42x = 1,136,114,252.58
  5. Step 5: Solve for x
    x = 1,136,114,252.58/39,009.42
  6. Step 6: Final answer
    x = 29,124.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.