Home / 30,695.21-46,033.73-13,160.87

Finding the Fourth Proportional to 30,695.21, 46,033.73 and 13,160.87

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Solution

The fourth proportional to 30,695.21, 46,033.73 and 13,160.87 is: 19,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,695.21 : 46,033.73 = 13,160.87 : x
  2. Step 2: Convert to fraction form
    30,695.21/46,033.73 = 13,160.87/x
  3. Step 3: Cross multiply
    30,695.21x = 46,033.73 × 13,160.87
  4. Step 4: Simplify right side
    30,695.21x = 605,843,870.34
  5. Step 5: Solve for x
    x = 605,843,870.34/30,695.21
  6. Step 6: Final answer
    x = 19,737.41

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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.