Home / 46,687.82-70,021.05-13,407.62

Finding the Fourth Proportional to 46,687.82, 70,021.05 and 13,407.62

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Solution

The fourth proportional to 46,687.82, 70,021.05 and 13,407.62 is: 20,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,687.82 : 70,021.05 = 13,407.62 : x
  2. Step 2: Convert to fraction form
    46,687.82/70,021.05 = 13,407.62/x
  3. Step 3: Cross multiply
    46,687.82x = 70,021.05 × 13,407.62
  4. Step 4: Simplify right side
    46,687.82x = 938,815,280.30
  5. Step 5: Solve for x
    x = 938,815,280.30/46,687.82
  6. Step 6: Final answer
    x = 20,108.36

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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.