Home / 31,762.14-47,680.65-18,624.54

Finding the Fourth Proportional to 31,762.14, 47,680.65 and 18,624.54

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Solution

The fourth proportional to 31,762.14, 47,680.65 and 18,624.54 is: 27,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762.14 : 47,680.65 = 18,624.54 : x
  2. Step 2: Convert to fraction form
    31,762.14/47,680.65 = 18,624.54/x
  3. Step 3: Cross multiply
    31,762.14x = 47,680.65 × 18,624.54
  4. Step 4: Simplify right side
    31,762.14x = 888,030,173.15
  5. Step 5: Solve for x
    x = 888,030,173.15/31,762.14
  6. Step 6: Final answer
    x = 27,958.76

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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.