Home / 47,759.44-65,870.04-30,765.04

Finding the Fourth Proportional to 47,759.44, 65,870.04 and 30,765.04

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Solution

The fourth proportional to 47,759.44, 65,870.04 and 30,765.04 is: 42,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,759.44 : 65,870.04 = 30,765.04 : x
  2. Step 2: Convert to fraction form
    47,759.44/65,870.04 = 30,765.04/x
  3. Step 3: Cross multiply
    47,759.44x = 65,870.04 × 30,765.04
  4. Step 4: Simplify right side
    47,759.44x = 2,026,494,415.40
  5. Step 5: Solve for x
    x = 2,026,494,415.40/47,759.44
  6. Step 6: Final answer
    x = 42,431.29

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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.