Home / 34,445.54-51,671.58-13,387.21

Finding the Fourth Proportional to 34,445.54, 51,671.58 and 13,387.21

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Solution

The fourth proportional to 34,445.54, 51,671.58 and 13,387.21 is: 20,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,445.54 : 51,671.58 = 13,387.21 : x
  2. Step 2: Convert to fraction form
    34,445.54/51,671.58 = 13,387.21/x
  3. Step 3: Cross multiply
    34,445.54x = 51,671.58 × 13,387.21
  4. Step 4: Simplify right side
    34,445.54x = 691,738,292.49
  5. Step 5: Solve for x
    x = 691,738,292.49/34,445.54
  6. Step 6: Final answer
    x = 20,082.09

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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.