Home / 40,809.37-61,082.83-21,061.03

Finding the Fourth Proportional to 40,809.37, 61,082.83 and 21,061.03

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Solution

The fourth proportional to 40,809.37, 61,082.83 and 21,061.03 is: 31,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,809.37 : 61,082.83 = 21,061.03 : x
  2. Step 2: Convert to fraction form
    40,809.37/61,082.83 = 21,061.03/x
  3. Step 3: Cross multiply
    40,809.37x = 61,082.83 × 21,061.03
  4. Step 4: Simplify right side
    40,809.37x = 1,286,467,315.11
  5. Step 5: Solve for x
    x = 1,286,467,315.11/40,809.37
  6. Step 6: Final answer
    x = 31,523.82

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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.