Home / 57,016.53-78,684.48-31,866.03

Finding the Fourth Proportional to 57,016.53, 78,684.48 and 31,866.03

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Solution

The fourth proportional to 57,016.53, 78,684.48 and 31,866.03 is: 43,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.53 : 78,684.48 = 31,866.03 : x
  2. Step 2: Convert to fraction form
    57,016.53/78,684.48 = 31,866.03/x
  3. Step 3: Cross multiply
    57,016.53x = 78,684.48 × 31,866.03
  4. Step 4: Simplify right side
    57,016.53x = 2,507,362,000.21
  5. Step 5: Solve for x
    x = 2,507,362,000.21/57,016.53
  6. Step 6: Final answer
    x = 43,976.05

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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.