Home / 31,399.26-47,098.89-10,341.42

Finding the Fourth Proportional to 31,399.26, 47,098.89 and 10,341.42

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Solution

The fourth proportional to 31,399.26, 47,098.89 and 10,341.42 is: 15,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.26 : 47,098.89 = 10,341.42 : x
  2. Step 2: Convert to fraction form
    31,399.26/47,098.89 = 10,341.42/x
  3. Step 3: Cross multiply
    31,399.26x = 47,098.89 × 10,341.42
  4. Step 4: Simplify right side
    31,399.26x = 487,069,403.02
  5. Step 5: Solve for x
    x = 487,069,403.02/31,399.26
  6. Step 6: Final answer
    x = 15,512.13

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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.