Home / 55,268.85-76,271.01-30,118.35

Finding the Fourth Proportional to 55,268.85, 76,271.01 and 30,118.35

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Solution

The fourth proportional to 55,268.85, 76,271.01 and 30,118.35 is: 41,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,268.85 : 76,271.01 = 30,118.35 : x
  2. Step 2: Convert to fraction form
    55,268.85/76,271.01 = 30,118.35/x
  3. Step 3: Cross multiply
    55,268.85x = 76,271.01 × 30,118.35
  4. Step 4: Simplify right side
    55,268.85x = 2,297,156,974.03
  5. Step 5: Solve for x
    x = 2,297,156,974.03/55,268.85
  6. Step 6: Final answer
    x = 41,563.32

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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.