Home / 39,167.66-54,051.05-21,262.64

Finding the Fourth Proportional to 39,167.66, 54,051.05 and 21,262.64

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Solution

The fourth proportional to 39,167.66, 54,051.05 and 21,262.64 is: 29,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.66 : 54,051.05 = 21,262.64 : x
  2. Step 2: Convert to fraction form
    39,167.66/54,051.05 = 21,262.64/x
  3. Step 3: Cross multiply
    39,167.66x = 54,051.05 × 21,262.64
  4. Step 4: Simplify right side
    39,167.66x = 1,149,267,800.67
  5. Step 5: Solve for x
    x = 1,149,267,800.67/39,167.66
  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.