Home / 55,728.19-76,904.60-30,235.06

Finding the Fourth Proportional to 55,728.19, 76,904.60 and 30,235.06

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Solution

The fourth proportional to 55,728.19, 76,904.60 and 30,235.06 is: 41,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728.19 : 76,904.60 = 30,235.06 : x
  2. Step 2: Convert to fraction form
    55,728.19/76,904.60 = 30,235.06/x
  3. Step 3: Cross multiply
    55,728.19x = 76,904.60 × 30,235.06
  4. Step 4: Simplify right side
    55,728.19x = 2,325,215,195.28
  5. Step 5: Solve for x
    x = 2,325,215,195.28/55,728.19
  6. Step 6: Final answer
    x = 41,724.22

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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.