Home / 51,173.99-70,625.30-28,516.67

Finding the Fourth Proportional to 51,173.99, 70,625.30 and 28,516.67

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Solution

The fourth proportional to 51,173.99, 70,625.30 and 28,516.67 is: 39,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,173.99 : 70,625.30 = 28,516.67 : x
  2. Step 2: Convert to fraction form
    51,173.99/70,625.30 = 28,516.67/x
  3. Step 3: Cross multiply
    51,173.99x = 70,625.30 × 28,516.67
  4. Step 4: Simplify right side
    51,173.99x = 2,013,998,373.75
  5. Step 5: Solve for x
    x = 2,013,998,373.75/51,173.99
  6. Step 6: Final answer
    x = 39,355.90

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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.