Home / 39,167.40-54,051.07-21,262.41

Finding the Fourth Proportional to 39,167.40, 54,051.07 and 21,262.41

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Solution

The fourth proportional to 39,167.40, 54,051.07 and 21,262.41 is: 29,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.40 : 54,051.07 = 21,262.41 : x
  2. Step 2: Convert to fraction form
    39,167.40/54,051.07 = 21,262.41/x
  3. Step 3: Cross multiply
    39,167.40x = 54,051.07 × 21,262.41
  4. Step 4: Simplify right side
    39,167.40x = 1,149,256,011.28
  5. Step 5: Solve for x
    x = 1,149,256,011.28/39,167.40
  6. Step 6: Final answer
    x = 29,342.16

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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.