Home / 38,293.24-57,439.89-12,000.03

Finding the Fourth Proportional to 38,293.24, 57,439.89 and 12,000.03

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Solution

The fourth proportional to 38,293.24, 57,439.89 and 12,000.03 is: 18,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,293.24 : 57,439.89 = 12,000.03 : x
  2. Step 2: Convert to fraction form
    38,293.24/57,439.89 = 12,000.03/x
  3. Step 3: Cross multiply
    38,293.24x = 57,439.89 × 12,000.03
  4. Step 4: Simplify right side
    38,293.24x = 689,280,403.20
  5. Step 5: Solve for x
    x = 689,280,403.20/38,293.24
  6. Step 6: Final answer
    x = 18,000.05

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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.