Home / 38,219.01-52,742.78-21,224.31

Finding the Fourth Proportional to 38,219.01, 52,742.78 and 21,224.31

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Solution

The fourth proportional to 38,219.01, 52,742.78 and 21,224.31 is: 29,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.01 : 52,742.78 = 21,224.31 : x
  2. Step 2: Convert to fraction form
    38,219.01/52,742.78 = 21,224.31/x
  3. Step 3: Cross multiply
    38,219.01x = 52,742.78 × 21,224.31
  4. Step 4: Simplify right side
    38,219.01x = 1,119,429,112.98
  5. Step 5: Solve for x
    x = 1,119,429,112.98/38,219.01
  6. Step 6: Final answer
    x = 29,289.85

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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.