Home / 38,771.93-58,158.19-21,232.19

Finding the Fourth Proportional to 38,771.93, 58,158.19 and 21,232.19

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Solution

The fourth proportional to 38,771.93, 58,158.19 and 21,232.19 is: 31,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,771.93 : 58,158.19 = 21,232.19 : x
  2. Step 2: Convert to fraction form
    38,771.93/58,158.19 = 21,232.19/x
  3. Step 3: Cross multiply
    38,771.93x = 58,158.19 × 21,232.19
  4. Step 4: Simplify right side
    38,771.93x = 1,234,825,912.07
  5. Step 5: Solve for x
    x = 1,234,825,912.07/38,771.93
  6. Step 6: Final answer
    x = 31,848.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.