Home / 38,345.10-57,527.20-30,477.30

Finding the Fourth Proportional to 38,345.10, 57,527.20 and 30,477.30

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Solution

The fourth proportional to 38,345.10, 57,527.20 and 30,477.30 is: 45,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345.10 : 57,527.20 = 30,477.30 : x
  2. Step 2: Convert to fraction form
    38,345.10/57,527.20 = 30,477.30/x
  3. Step 3: Cross multiply
    38,345.10x = 57,527.20 × 30,477.30
  4. Step 4: Simplify right side
    38,345.10x = 1,753,273,732.56
  5. Step 5: Solve for x
    x = 1,753,273,732.56/38,345.10
  6. Step 6: Final answer
    x = 45,723.54

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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.