Home / 38,351.56-52,923.72-21,356.41

Finding the Fourth Proportional to 38,351.56, 52,923.72 and 21,356.41

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Solution

The fourth proportional to 38,351.56, 52,923.72 and 21,356.41 is: 29,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351.56 : 52,923.72 = 21,356.41 : x
  2. Step 2: Convert to fraction form
    38,351.56/52,923.72 = 21,356.41/x
  3. Step 3: Cross multiply
    38,351.56x = 52,923.72 × 21,356.41
  4. Step 4: Simplify right side
    38,351.56x = 1,130,260,663.05
  5. Step 5: Solve for x
    x = 1,130,260,663.05/38,351.56
  6. Step 6: Final answer
    x = 29,471.05

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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.