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Finding the Fourth Proportional to 44,038.96, 66,058.44 and 12,874.21

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Solution

The fourth proportional to 44,038.96, 66,058.44 and 12,874.21 is: 19,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,038.96 : 66,058.44 = 12,874.21 : x
  2. Step 2: Convert to fraction form
    44,038.96/66,058.44 = 12,874.21/x
  3. Step 3: Cross multiply
    44,038.96x = 66,058.44 × 12,874.21
  4. Step 4: Simplify right side
    44,038.96x = 850,450,228.83
  5. Step 5: Solve for x
    x = 850,450,228.83/44,038.96
  6. Step 6: Final answer
    x = 19,311.32

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1.5x scale

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.