Home / 38,905.95-58,361.00-12,254.03

Finding the Fourth Proportional to 38,905.95, 58,361.00 and 12,254.03

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Solution

The fourth proportional to 38,905.95, 58,361.00 and 12,254.03 is: 18,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.95 : 58,361.00 = 12,254.03 : x
  2. Step 2: Convert to fraction form
    38,905.95/58,361.00 = 12,254.03/x
  3. Step 3: Cross multiply
    38,905.95x = 58,361.00 × 12,254.03
  4. Step 4: Simplify right side
    38,905.95x = 715,157,091.75
  5. Step 5: Solve for x
    x = 715,157,091.75/38,905.95
  6. Step 6: Final answer
    x = 18,381.69

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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.