Home / 38,503.35-57,707.34-21,812.79

Finding the Fourth Proportional to 38,503.35, 57,707.34 and 21,812.79

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Solution

The fourth proportional to 38,503.35, 57,707.34 and 21,812.79 is: 32,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,503.35 : 57,707.34 = 21,812.79 : x
  2. Step 2: Convert to fraction form
    38,503.35/57,707.34 = 21,812.79/x
  3. Step 3: Cross multiply
    38,503.35x = 57,707.34 × 21,812.79
  4. Step 4: Simplify right side
    38,503.35x = 1,258,758,088.88
  5. Step 5: Solve for x
    x = 1,258,758,088.88/38,503.35
  6. Step 6: Final answer
    x = 32,692.17

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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.