Home / 38,986.66-58,485.75-11,281.06

Finding the Fourth Proportional to 38,986.66, 58,485.75 and 11,281.06

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Solution

The fourth proportional to 38,986.66, 58,485.75 and 11,281.06 is: 16,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986.66 : 58,485.75 = 11,281.06 : x
  2. Step 2: Convert to fraction form
    38,986.66/58,485.75 = 11,281.06/x
  3. Step 3: Cross multiply
    38,986.66x = 58,485.75 × 11,281.06
  4. Step 4: Simplify right side
    38,986.66x = 659,781,254.90
  5. Step 5: Solve for x
    x = 659,781,254.90/38,986.66
  6. Step 6: Final answer
    x = 16,923.26

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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.