Home / 31,278.93-43,164.93-17,850.48

Finding the Fourth Proportional to 31,278.93, 43,164.93 and 17,850.48

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Solution

The fourth proportional to 31,278.93, 43,164.93 and 17,850.48 is: 24,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.93 : 43,164.93 = 17,850.48 : x
  2. Step 2: Convert to fraction form
    31,278.93/43,164.93 = 17,850.48/x
  3. Step 3: Cross multiply
    31,278.93x = 43,164.93 × 17,850.48
  4. Step 4: Simplify right side
    31,278.93x = 770,514,719.67
  5. Step 5: Solve for x
    x = 770,514,719.67/31,278.93
  6. Step 6: Final answer
    x = 24,633.67

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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.