Home / 38,238.71-52,769.67-21,242.75

Finding the Fourth Proportional to 38,238.71, 52,769.67 and 21,242.75

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Solution

The fourth proportional to 38,238.71, 52,769.67 and 21,242.75 is: 29,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.71 : 52,769.67 = 21,242.75 : x
  2. Step 2: Convert to fraction form
    38,238.71/52,769.67 = 21,242.75/x
  3. Step 3: Cross multiply
    38,238.71x = 52,769.67 × 21,242.75
  4. Step 4: Simplify right side
    38,238.71x = 1,120,972,907.39
  5. Step 5: Solve for x
    x = 1,120,972,907.39/38,238.71
  6. Step 6: Final answer
    x = 29,315.13

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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.