Home / 39,712.58-54,775.70-33,702.86

Finding the Fourth Proportional to 39,712.58, 54,775.70 and 33,702.86

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Solution

The fourth proportional to 39,712.58, 54,775.70 and 33,702.86 is: 46,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.58 : 54,775.70 = 33,702.86 : x
  2. Step 2: Convert to fraction form
    39,712.58/54,775.70 = 33,702.86/x
  3. Step 3: Cross multiply
    39,712.58x = 54,775.70 × 33,702.86
  4. Step 4: Simplify right side
    39,712.58x = 1,846,097,748.50
  5. Step 5: Solve for x
    x = 1,846,097,748.50/39,712.58
  6. Step 6: Final answer
    x = 46,486.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.