Home / 31,528.56-43,506.18-18,096.60

Finding the Fourth Proportional to 31,528.56, 43,506.18 and 18,096.60

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Solution

The fourth proportional to 31,528.56, 43,506.18 and 18,096.60 is: 24,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.56 : 43,506.18 = 18,096.60 : x
  2. Step 2: Convert to fraction form
    31,528.56/43,506.18 = 18,096.60/x
  3. Step 3: Cross multiply
    31,528.56x = 43,506.18 × 18,096.60
  4. Step 4: Simplify right side
    31,528.56x = 787,313,936.99
  5. Step 5: Solve for x
    x = 787,313,936.99/31,528.56
  6. Step 6: Final answer
    x = 24,971.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.