Home / 34,350.72-51,479.16-21,028.26

Finding the Fourth Proportional to 34,350.72, 51,479.16 and 21,028.26

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Solution

The fourth proportional to 34,350.72, 51,479.16 and 21,028.26 is: 31,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,350.72 : 51,479.16 = 21,028.26 : x
  2. Step 2: Convert to fraction form
    34,350.72/51,479.16 = 21,028.26/x
  3. Step 3: Cross multiply
    34,350.72x = 51,479.16 × 21,028.26
  4. Step 4: Simplify right side
    34,350.72x = 1,082,517,161.06
  5. Step 5: Solve for x
    x = 1,082,517,161.06/34,350.72
  6. Step 6: Final answer
    x = 31,513.67

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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.