Home / 46,009.96-69,015.05-13,989.31

Finding the Fourth Proportional to 46,009.96, 69,015.05 and 13,989.31

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Solution

The fourth proportional to 46,009.96, 69,015.05 and 13,989.31 is: 20,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,009.96 : 69,015.05 = 13,989.31 : x
  2. Step 2: Convert to fraction form
    46,009.96/69,015.05 = 13,989.31/x
  3. Step 3: Cross multiply
    46,009.96x = 69,015.05 × 13,989.31
  4. Step 4: Simplify right side
    46,009.96x = 965,472,739.09
  5. Step 5: Solve for x
    x = 965,472,739.09/46,009.96
  6. Step 6: Final answer
    x = 20,984.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.