Home / 38,783.66-58,184.60-12,487.41

Finding the Fourth Proportional to 38,783.66, 58,184.60 and 12,487.41

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Solution

The fourth proportional to 38,783.66, 58,184.60 and 12,487.41 is: 18,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,783.66 : 58,184.60 = 12,487.41 : x
  2. Step 2: Convert to fraction form
    38,783.66/58,184.60 = 12,487.41/x
  3. Step 3: Cross multiply
    38,783.66x = 58,184.60 × 12,487.41
  4. Step 4: Simplify right side
    38,783.66x = 726,574,893.45
  5. Step 5: Solve for x
    x = 726,574,893.45/38,783.66
  6. Step 6: Final answer
    x = 18,734.05

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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.