Home / 56,563.06-84,809.72-19,119.60

Finding the Fourth Proportional to 56,563.06, 84,809.72 and 19,119.60

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Solution

The fourth proportional to 56,563.06, 84,809.72 and 19,119.60 is: 28,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,563.06 : 84,809.72 = 19,119.60 : x
  2. Step 2: Convert to fraction form
    56,563.06/84,809.72 = 19,119.60/x
  3. Step 3: Cross multiply
    56,563.06x = 84,809.72 × 19,119.60
  4. Step 4: Simplify right side
    56,563.06x = 1,621,527,922.51
  5. Step 5: Solve for x
    x = 1,621,527,922.51/56,563.06
  6. Step 6: Final answer
    x = 28,667.61

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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.