Home / 38,293.43-57,440.16-12,000.24

Finding the Fourth Proportional to 38,293.43, 57,440.16 and 12,000.24

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Solution

The fourth proportional to 38,293.43, 57,440.16 and 12,000.24 is: 18,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,293.43 : 57,440.16 = 12,000.24 : x
  2. Step 2: Convert to fraction form
    38,293.43/57,440.16 = 12,000.24/x
  3. Step 3: Cross multiply
    38,293.43x = 57,440.16 × 12,000.24
  4. Step 4: Simplify right side
    38,293.43x = 689,295,705.64
  5. Step 5: Solve for x
    x = 689,295,705.64/38,293.43
  6. Step 6: Final answer
    x = 18,000.37

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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.