Home / 47,846.78-71,693.62-40,804.64

Finding the Fourth Proportional to 47,846.78, 71,693.62 and 40,804.64

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Solution

The fourth proportional to 47,846.78, 71,693.62 and 40,804.64 is: 61,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,846.78 : 71,693.62 = 40,804.64 : x
  2. Step 2: Convert to fraction form
    47,846.78/71,693.62 = 40,804.64/x
  3. Step 3: Cross multiply
    47,846.78x = 71,693.62 × 40,804.64
  4. Step 4: Simplify right side
    47,846.78x = 2,925,432,018.51
  5. Step 5: Solve for x
    x = 2,925,432,018.51/47,846.78
  6. Step 6: Final answer
    x = 61,141.67

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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.