Home / 31,316.35-46,979.70-15,522.12

Finding the Fourth Proportional to 31,316.35, 46,979.70 and 15,522.12

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Solution

The fourth proportional to 31,316.35, 46,979.70 and 15,522.12 is: 23,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.35 : 46,979.70 = 15,522.12 : x
  2. Step 2: Convert to fraction form
    31,316.35/46,979.70 = 15,522.12/x
  3. Step 3: Cross multiply
    31,316.35x = 46,979.70 × 15,522.12
  4. Step 4: Simplify right side
    31,316.35x = 729,224,540.96
  5. Step 5: Solve for x
    x = 729,224,540.96/31,316.35
  6. Step 6: Final answer
    x = 23,285.75

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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.