Home / 39,051.59-53,891.33-21,146.54

Finding the Fourth Proportional to 39,051.59, 53,891.33 and 21,146.54

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Solution

The fourth proportional to 39,051.59, 53,891.33 and 21,146.54 is: 29,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,051.59 : 53,891.33 = 21,146.54 : x
  2. Step 2: Convert to fraction form
    39,051.59/53,891.33 = 21,146.54/x
  3. Step 3: Cross multiply
    39,051.59x = 53,891.33 × 21,146.54
  4. Step 4: Simplify right side
    39,051.59x = 1,139,614,790.31
  5. Step 5: Solve for x
    x = 1,139,614,790.31/39,051.59
  6. Step 6: Final answer
    x = 29,182.29

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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.