Home / 38,985.38-58,503.98-14,361.38

Finding the Fourth Proportional to 38,985.38, 58,503.98 and 14,361.38

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Solution

The fourth proportional to 38,985.38, 58,503.98 and 14,361.38 is: 21,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.38 : 58,503.98 = 14,361.38 : x
  2. Step 2: Convert to fraction form
    38,985.38/58,503.98 = 14,361.38/x
  3. Step 3: Cross multiply
    38,985.38x = 58,503.98 × 14,361.38
  4. Step 4: Simplify right side
    38,985.38x = 840,197,631.68
  5. Step 5: Solve for x
    x = 840,197,631.68/38,985.38
  6. Step 6: Final answer
    x = 21,551.61

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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.