Home / 46,971.24-70,479.62-20,672.57

Finding the Fourth Proportional to 46,971.24, 70,479.62 and 20,672.57

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Solution

The fourth proportional to 46,971.24, 70,479.62 and 20,672.57 is: 31,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,971.24 : 70,479.62 = 20,672.57 : x
  2. Step 2: Convert to fraction form
    46,971.24/70,479.62 = 20,672.57/x
  3. Step 3: Cross multiply
    46,971.24x = 70,479.62 × 20,672.57
  4. Step 4: Simplify right side
    46,971.24x = 1,456,994,422.26
  5. Step 5: Solve for x
    x = 1,456,994,422.26/46,971.24
  6. Step 6: Final answer
    x = 31,018.86

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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.