Home / 38,238.98-52,769.06-21,243.05

Finding the Fourth Proportional to 38,238.98, 52,769.06 and 21,243.05

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Solution

The fourth proportional to 38,238.98, 52,769.06 and 21,243.05 is: 29,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.98 : 52,769.06 = 21,243.05 : x
  2. Step 2: Convert to fraction form
    38,238.98/52,769.06 = 21,243.05/x
  3. Step 3: Cross multiply
    38,238.98x = 52,769.06 × 21,243.05
  4. Step 4: Simplify right side
    38,238.98x = 1,120,975,409.97
  5. Step 5: Solve for x
    x = 1,120,975,409.97/38,238.98
  6. Step 6: Final answer
    x = 29,315.00

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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.