Home / 38,339.88-57,512.24-12,045.64

Finding the Fourth Proportional to 38,339.88, 57,512.24 and 12,045.64

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Solution

The fourth proportional to 38,339.88, 57,512.24 and 12,045.64 is: 18,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.88 : 57,512.24 = 12,045.64 : x
  2. Step 2: Convert to fraction form
    38,339.88/57,512.24 = 12,045.64/x
  3. Step 3: Cross multiply
    38,339.88x = 57,512.24 × 12,045.64
  4. Step 4: Simplify right side
    38,339.88x = 692,771,738.63
  5. Step 5: Solve for x
    x = 692,771,738.63/38,339.88
  6. Step 6: Final answer
    x = 18,069.22

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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.