Home / 30,519.91-45,576.23-23,871.43

Finding the Fourth Proportional to 30,519.91, 45,576.23 and 23,871.43

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Solution

The fourth proportional to 30,519.91, 45,576.23 and 23,871.43 is: 35,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,519.91 : 45,576.23 = 23,871.43 : x
  2. Step 2: Convert to fraction form
    30,519.91/45,576.23 = 23,871.43/x
  3. Step 3: Cross multiply
    30,519.91x = 45,576.23 × 23,871.43
  4. Step 4: Simplify right side
    30,519.91x = 1,087,969,784.11
  5. Step 5: Solve for x
    x = 1,087,969,784.11/30,519.91
  6. Step 6: Final answer
    x = 35,647.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.