Home / 55,512.93-83,268.63-13,392.66

Finding the Fourth Proportional to 55,512.93, 83,268.63 and 13,392.66

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Solution

The fourth proportional to 55,512.93, 83,268.63 and 13,392.66 is: 20,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.93 : 83,268.63 = 13,392.66 : x
  2. Step 2: Convert to fraction form
    55,512.93/83,268.63 = 13,392.66/x
  3. Step 3: Cross multiply
    55,512.93x = 83,268.63 × 13,392.66
  4. Step 4: Simplify right side
    55,512.93x = 1,115,188,170.39
  5. Step 5: Solve for x
    x = 1,115,188,170.39/55,512.93
  6. Step 6: Final answer
    x = 20,088.80

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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.