Home / 35,603.88-49,133.13-21,270.21

Finding the Fourth Proportional to 35,603.88, 49,133.13 and 21,270.21

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Solution

The fourth proportional to 35,603.88, 49,133.13 and 21,270.21 is: 29,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.88 : 49,133.13 = 21,270.21 : x
  2. Step 2: Convert to fraction form
    35,603.88/49,133.13 = 21,270.21/x
  3. Step 3: Cross multiply
    35,603.88x = 49,133.13 × 21,270.21
  4. Step 4: Simplify right side
    35,603.88x = 1,045,071,993.06
  5. Step 5: Solve for x
    x = 1,045,071,993.06/35,603.88
  6. Step 6: Final answer
    x = 29,352.76

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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.