Home / 31,168.54-46,751.22-11,445.58

Finding the Fourth Proportional to 31,168.54, 46,751.22 and 11,445.58

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Solution

The fourth proportional to 31,168.54, 46,751.22 and 11,445.58 is: 17,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,168.54 : 46,751.22 = 11,445.58 : x
  2. Step 2: Convert to fraction form
    31,168.54/46,751.22 = 11,445.58/x
  3. Step 3: Cross multiply
    31,168.54x = 46,751.22 × 11,445.58
  4. Step 4: Simplify right side
    31,168.54x = 535,094,828.61
  5. Step 5: Solve for x
    x = 535,094,828.61/31,168.54
  6. Step 6: Final answer
    x = 17,167.79

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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.