Home / 55,239.21-82,850.27-30,291.57

Finding the Fourth Proportional to 55,239.21, 82,850.27 and 30,291.57

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Solution

The fourth proportional to 55,239.21, 82,850.27 and 30,291.57 is: 45,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,239.21 : 82,850.27 = 30,291.57 : x
  2. Step 2: Convert to fraction form
    55,239.21/82,850.27 = 30,291.57/x
  3. Step 3: Cross multiply
    55,239.21x = 82,850.27 × 30,291.57
  4. Step 4: Simplify right side
    55,239.21x = 2,509,664,601.77
  5. Step 5: Solve for x
    x = 2,509,664,601.77/55,239.21
  6. Step 6: Final answer
    x = 45,432.67

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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.