Home / 38,700.94-58,059.62-12,424.14

Finding the Fourth Proportional to 38,700.94, 58,059.62 and 12,424.14

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Solution

The fourth proportional to 38,700.94, 58,059.62 and 12,424.14 is: 18,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,700.94 : 58,059.62 = 12,424.14 : x
  2. Step 2: Convert to fraction form
    38,700.94/58,059.62 = 12,424.14/x
  3. Step 3: Cross multiply
    38,700.94x = 58,059.62 × 12,424.14
  4. Step 4: Simplify right side
    38,700.94x = 721,340,847.23
  5. Step 5: Solve for x
    x = 721,340,847.23/38,700.94
  6. Step 6: Final answer
    x = 18,638.85

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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.