Home / 38,238.63-52,767.60-21,243.97

Finding the Fourth Proportional to 38,238.63, 52,767.60 and 21,243.97

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Solution

The fourth proportional to 38,238.63, 52,767.60 and 21,243.97 is: 29,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.63 : 52,767.60 = 21,243.97 : x
  2. Step 2: Convert to fraction form
    38,238.63/52,767.60 = 21,243.97/x
  3. Step 3: Cross multiply
    38,238.63x = 52,767.60 × 21,243.97
  4. Step 4: Simplify right side
    38,238.63x = 1,120,993,417.16
  5. Step 5: Solve for x
    x = 1,120,993,417.16/38,238.63
  6. Step 6: Final answer
    x = 29,315.73

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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.