Home / 47,783.12-65,945.16-28,924.88

Finding the Fourth Proportional to 47,783.12, 65,945.16 and 28,924.88

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Solution

The fourth proportional to 47,783.12, 65,945.16 and 28,924.88 is: 39,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,783.12 : 65,945.16 = 28,924.88 : x
  2. Step 2: Convert to fraction form
    47,783.12/65,945.16 = 28,924.88/x
  3. Step 3: Cross multiply
    47,783.12x = 65,945.16 × 28,924.88
  4. Step 4: Simplify right side
    47,783.12x = 1,907,455,839.58
  5. Step 5: Solve for x
    x = 1,907,455,839.58/47,783.12
  6. Step 6: Final answer
    x = 39,919.03

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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.