Home / 31,323.36-46,982.56-9,136.92

Finding the Fourth Proportional to 31,323.36, 46,982.56 and 9,136.92

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Solution

The fourth proportional to 31,323.36, 46,982.56 and 9,136.92 is: 13,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,323.36 : 46,982.56 = 9,136.92 : x
  2. Step 2: Convert to fraction form
    31,323.36/46,982.56 = 9,136.92/x
  3. Step 3: Cross multiply
    31,323.36x = 46,982.56 × 9,136.92
  4. Step 4: Simplify right side
    31,323.36x = 429,275,892.12
  5. Step 5: Solve for x
    x = 429,275,892.12/31,323.36
  6. Step 6: Final answer
    x = 13,704.66

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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.