Home / 38,963.96-53,769.46-21,968.24

Finding the Fourth Proportional to 38,963.96, 53,769.46 and 21,968.24

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Solution

The fourth proportional to 38,963.96, 53,769.46 and 21,968.24 is: 30,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.96 : 53,769.46 = 21,968.24 : x
  2. Step 2: Convert to fraction form
    38,963.96/53,769.46 = 21,968.24/x
  3. Step 3: Cross multiply
    38,963.96x = 53,769.46 × 21,968.24
  4. Step 4: Simplify right side
    38,963.96x = 1,181,220,401.95
  5. Step 5: Solve for x
    x = 1,181,220,401.95/38,963.96
  6. Step 6: Final answer
    x = 30,315.72

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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.