Home / 34,028.10-46,961.40-20,416.65

Finding the Fourth Proportional to 34,028.10, 46,961.40 and 20,416.65

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Solution

The fourth proportional to 34,028.10, 46,961.40 and 20,416.65 is: 28,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,028.10 : 46,961.40 = 20,416.65 : x
  2. Step 2: Convert to fraction form
    34,028.10/46,961.40 = 20,416.65/x
  3. Step 3: Cross multiply
    34,028.10x = 46,961.40 × 20,416.65
  4. Step 4: Simplify right side
    34,028.10x = 958,794,467.31
  5. Step 5: Solve for x
    x = 958,794,467.31/34,028.10
  6. Step 6: Final answer
    x = 28,176.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.