Home / 31,620.06-47,430.05-9,448.97

Finding the Fourth Proportional to 31,620.06, 47,430.05 and 9,448.97

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Solution

The fourth proportional to 31,620.06, 47,430.05 and 9,448.97 is: 14,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.06 : 47,430.05 = 9,448.97 : x
  2. Step 2: Convert to fraction form
    31,620.06/47,430.05 = 9,448.97/x
  3. Step 3: Cross multiply
    31,620.06x = 47,430.05 × 9,448.97
  4. Step 4: Simplify right side
    31,620.06x = 448,164,835.15
  5. Step 5: Solve for x
    x = 448,164,835.15/31,620.06
  6. Step 6: Final answer
    x = 14,173.43

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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.