Home / 34,338.21-51,515.34-10,644.51

Finding the Fourth Proportional to 34,338.21, 51,515.34 and 10,644.51

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Solution

The fourth proportional to 34,338.21, 51,515.34 and 10,644.51 is: 15,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,338.21 : 51,515.34 = 10,644.51 : x
  2. Step 2: Convert to fraction form
    34,338.21/51,515.34 = 10,644.51/x
  3. Step 3: Cross multiply
    34,338.21x = 51,515.34 × 10,644.51
  4. Step 4: Simplify right side
    34,338.21x = 548,355,551.78
  5. Step 5: Solve for x
    x = 548,355,551.78/34,338.21
  6. Step 6: Final answer
    x = 15,969.25

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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.