Home / 31,315.08-46,975.53-10,255.29

Finding the Fourth Proportional to 31,315.08, 46,975.53 and 10,255.29

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Solution

The fourth proportional to 31,315.08, 46,975.53 and 10,255.29 is: 15,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.08 : 46,975.53 = 10,255.29 : x
  2. Step 2: Convert to fraction form
    31,315.08/46,975.53 = 10,255.29/x
  3. Step 3: Cross multiply
    31,315.08x = 46,975.53 × 10,255.29
  4. Step 4: Simplify right side
    31,315.08x = 481,747,683.05
  5. Step 5: Solve for x
    x = 481,747,683.05/31,315.08
  6. Step 6: Final answer
    x = 15,383.89

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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.