Home / 55,078.73-76,009.13-29,928.23

Finding the Fourth Proportional to 55,078.73, 76,009.13 and 29,928.23

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Solution

The fourth proportional to 55,078.73, 76,009.13 and 29,928.23 is: 41,301.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078.73 : 76,009.13 = 29,928.23 : x
  2. Step 2: Convert to fraction form
    55,078.73/76,009.13 = 29,928.23/x
  3. Step 3: Cross multiply
    55,078.73x = 76,009.13 × 29,928.23
  4. Step 4: Simplify right side
    55,078.73x = 2,274,819,188.22
  5. Step 5: Solve for x
    x = 2,274,819,188.22/55,078.73
  6. Step 6: Final answer
    x = 41,301.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.