Home / 31,546.59-47,287.98-20,460.33

Finding the Fourth Proportional to 31,546.59, 47,287.98 and 20,460.33

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Solution

The fourth proportional to 31,546.59, 47,287.98 and 20,460.33 is: 30,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.59 : 47,287.98 = 20,460.33 : x
  2. Step 2: Convert to fraction form
    31,546.59/47,287.98 = 20,460.33/x
  3. Step 3: Cross multiply
    31,546.59x = 47,287.98 × 20,460.33
  4. Step 4: Simplify right side
    31,546.59x = 967,527,675.83
  5. Step 5: Solve for x
    x = 967,527,675.83/31,546.59
  6. Step 6: Final answer
    x = 30,669.80

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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.