Home / 39,273.03-54,198.13-21,368.72

Finding the Fourth Proportional to 39,273.03, 54,198.13 and 21,368.72

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Solution

The fourth proportional to 39,273.03, 54,198.13 and 21,368.72 is: 29,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273.03 : 54,198.13 = 21,368.72 : x
  2. Step 2: Convert to fraction form
    39,273.03/54,198.13 = 21,368.72/x
  3. Step 3: Cross multiply
    39,273.03x = 54,198.13 × 21,368.72
  4. Step 4: Simplify right side
    39,273.03x = 1,158,144,393.50
  5. Step 5: Solve for x
    x = 1,158,144,393.50/39,273.03
  6. Step 6: Final answer
    x = 29,489.56

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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.