Home / 29,787.18-44,673.93-8,721.78

Finding the Fourth Proportional to 29,787.18, 44,673.93 and 8,721.78

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Solution

The fourth proportional to 29,787.18, 44,673.93 and 8,721.78 is: 13,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787.18 : 44,673.93 = 8,721.78 : x
  2. Step 2: Convert to fraction form
    29,787.18/44,673.93 = 8,721.78/x
  3. Step 3: Cross multiply
    29,787.18x = 44,673.93 × 8,721.78
  4. Step 4: Simplify right side
    29,787.18x = 389,636,189.20
  5. Step 5: Solve for x
    x = 389,636,189.20/29,787.18
  6. Step 6: Final answer
    x = 13,080.67

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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.