Home / 57,718.22-86,579.80-22,665.46

Finding the Fourth Proportional to 57,718.22, 86,579.80 and 22,665.46

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Solution

The fourth proportional to 57,718.22, 86,579.80 and 22,665.46 is: 33,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,718.22 : 86,579.80 = 22,665.46 : x
  2. Step 2: Convert to fraction form
    57,718.22/86,579.80 = 22,665.46/x
  3. Step 3: Cross multiply
    57,718.22x = 86,579.80 × 22,665.46
  4. Step 4: Simplify right side
    57,718.22x = 1,962,370,993.71
  5. Step 5: Solve for x
    x = 1,962,370,993.71/57,718.22
  6. Step 6: Final answer
    x = 33,999.16

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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.