Home / 38,239.24-52,769.80-21,243.52

Finding the Fourth Proportional to 38,239.24, 52,769.80 and 21,243.52

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Solution

The fourth proportional to 38,239.24, 52,769.80 and 21,243.52 is: 29,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.24 : 52,769.80 = 21,243.52 : x
  2. Step 2: Convert to fraction form
    38,239.24/52,769.80 = 21,243.52/x
  3. Step 3: Cross multiply
    38,239.24x = 52,769.80 × 21,243.52
  4. Step 4: Simplify right side
    38,239.24x = 1,121,016,157.13
  5. Step 5: Solve for x
    x = 1,121,016,157.13/38,239.24
  6. Step 6: Final answer
    x = 29,315.86

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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.