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Finding the Fourth Proportional to 46,648, 64,375.02 and 25,428.44

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Solution

The fourth proportional to 46,648, 64,375.02 and 25,428.44 is: 35,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,648 : 64,375.02 = 25,428.44 : x
  2. Step 2: Convert to fraction form
    46,648/64,375.02 = 25,428.44/x
  3. Step 3: Cross multiply
    46,648x = 64,375.02 × 25,428.44
  4. Step 4: Simplify right side
    46,648x = 1,636,956,333.57
  5. Step 5: Solve for x
    x = 1,636,956,333.57/46,648
  6. Step 6: Final answer
    x = 35,091.67

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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.