Home / 39,761.16-54,809.74-33,688.98

Finding the Fourth Proportional to 39,761.16, 54,809.74 and 33,688.98

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Solution

The fourth proportional to 39,761.16, 54,809.74 and 33,688.98 is: 46,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.16 : 54,809.74 = 33,688.98 : x
  2. Step 2: Convert to fraction form
    39,761.16/54,809.74 = 33,688.98/x
  3. Step 3: Cross multiply
    39,761.16x = 54,809.74 × 33,688.98
  4. Step 4: Simplify right side
    39,761.16x = 1,846,484,234.67
  5. Step 5: Solve for x
    x = 1,846,484,234.67/39,761.16
  6. Step 6: Final answer
    x = 46,439.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.