Home / 51,091.22-70,505.87-28,431.67

Finding the Fourth Proportional to 51,091.22, 70,505.87 and 28,431.67

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Solution

The fourth proportional to 51,091.22, 70,505.87 and 28,431.67 is: 39,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,091.22 : 70,505.87 = 28,431.67 : x
  2. Step 2: Convert to fraction form
    51,091.22/70,505.87 = 28,431.67/x
  3. Step 3: Cross multiply
    51,091.22x = 70,505.87 × 28,431.67
  4. Step 4: Simplify right side
    51,091.22x = 2,004,599,628.90
  5. Step 5: Solve for x
    x = 2,004,599,628.90/51,091.22
  6. Step 6: Final answer
    x = 39,235.70

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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.