Home / 39,167.70-54,051.21-21,262.59

Finding the Fourth Proportional to 39,167.70, 54,051.21 and 21,262.59

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Solution

The fourth proportional to 39,167.70, 54,051.21 and 21,262.59 is: 29,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.70 : 54,051.21 = 21,262.59 : x
  2. Step 2: Convert to fraction form
    39,167.70/54,051.21 = 21,262.59/x
  3. Step 3: Cross multiply
    39,167.70x = 54,051.21 × 21,262.59
  4. Step 4: Simplify right side
    39,167.70x = 1,149,268,717.23
  5. Step 5: Solve for x
    x = 1,149,268,717.23/39,167.70
  6. Step 6: Final answer
    x = 29,342.26

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1.5x scale

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.