Home / 31,469.64-43,428.24-18,041.67

Finding the Fourth Proportional to 31,469.64, 43,428.24 and 18,041.67

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Solution

The fourth proportional to 31,469.64, 43,428.24 and 18,041.67 is: 24,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.64 : 43,428.24 = 18,041.67 : x
  2. Step 2: Convert to fraction form
    31,469.64/43,428.24 = 18,041.67/x
  3. Step 3: Cross multiply
    31,469.64x = 43,428.24 × 18,041.67
  4. Step 4: Simplify right side
    31,469.64x = 783,517,974.76
  5. Step 5: Solve for x
    x = 783,517,974.76/31,469.64
  6. Step 6: Final answer
    x = 24,897.58

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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.