Home / 47,804.56-65,958.24-28,938.04

Finding the Fourth Proportional to 47,804.56, 65,958.24 and 28,938.04

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Solution

The fourth proportional to 47,804.56, 65,958.24 and 28,938.04 is: 39,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,804.56 : 65,958.24 = 28,938.04 : x
  2. Step 2: Convert to fraction form
    47,804.56/65,958.24 = 28,938.04/x
  3. Step 3: Cross multiply
    47,804.56x = 65,958.24 × 28,938.04
  4. Step 4: Simplify right side
    47,804.56x = 1,908,702,187.45
  5. Step 5: Solve for x
    x = 1,908,702,187.45/47,804.56
  6. Step 6: Final answer
    x = 39,927.20

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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.