Home / 80,431.07-120,647.54-24,271.67

Finding the Fourth Proportional to 80,431.07, 120,647.54 and 24,271.67

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Solution

The fourth proportional to 80,431.07, 120,647.54 and 24,271.67 is: 36,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,431.07 : 120,647.54 = 24,271.67 : x
  2. Step 2: Convert to fraction form
    80,431.07/120,647.54 = 24,271.67/x
  3. Step 3: Cross multiply
    80,431.07x = 120,647.54 × 24,271.67
  4. Step 4: Simplify right side
    80,431.07x = 2,928,316,552.60
  5. Step 5: Solve for x
    x = 2,928,316,552.60/80,431.07
  6. Step 6: Final answer
    x = 36,407.78

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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.