Home / 55,269.85-76,272.39-30,119.35

Finding the Fourth Proportional to 55,269.85, 76,272.39 and 30,119.35

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Solution

The fourth proportional to 55,269.85, 76,272.39 and 30,119.35 is: 41,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,269.85 : 76,272.39 = 30,119.35 : x
  2. Step 2: Convert to fraction form
    55,269.85/76,272.39 = 30,119.35/x
  3. Step 3: Cross multiply
    55,269.85x = 76,272.39 × 30,119.35
  4. Step 4: Simplify right side
    55,269.85x = 2,297,274,809.75
  5. Step 5: Solve for x
    x = 2,297,274,809.75/55,269.85
  6. Step 6: Final answer
    x = 41,564.70

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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.