Home / 31,460.14-47,191.29-10,680.94

Finding the Fourth Proportional to 31,460.14, 47,191.29 and 10,680.94

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Solution

The fourth proportional to 31,460.14, 47,191.29 and 10,680.94 is: 16,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.14 : 47,191.29 = 10,680.94 : x
  2. Step 2: Convert to fraction form
    31,460.14/47,191.29 = 10,680.94/x
  3. Step 3: Cross multiply
    31,460.14x = 47,191.29 × 10,680.94
  4. Step 4: Simplify right side
    31,460.14x = 504,047,219.03
  5. Step 5: Solve for x
    x = 504,047,219.03/31,460.14
  6. Step 6: Final answer
    x = 16,021.77

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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.