Home / 55,994.54-84,004.27-20,455.79

Finding the Fourth Proportional to 55,994.54, 84,004.27 and 20,455.79

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Solution

The fourth proportional to 55,994.54, 84,004.27 and 20,455.79 is: 30,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,994.54 : 84,004.27 = 20,455.79 : x
  2. Step 2: Convert to fraction form
    55,994.54/84,004.27 = 20,455.79/x
  3. Step 3: Cross multiply
    55,994.54x = 84,004.27 × 20,455.79
  4. Step 4: Simplify right side
    55,994.54x = 1,718,373,706.22
  5. Step 5: Solve for x
    x = 1,718,373,706.22/55,994.54
  6. Step 6: Final answer
    x = 30,688.24

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1.5x scale

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.