Home / 30,726.42-46,111.50-13,201.26

Finding the Fourth Proportional to 30,726.42, 46,111.50 and 13,201.26

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Solution

The fourth proportional to 30,726.42, 46,111.50 and 13,201.26 is: 19,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726.42 : 46,111.50 = 13,201.26 : x
  2. Step 2: Convert to fraction form
    30,726.42/46,111.50 = 13,201.26/x
  3. Step 3: Cross multiply
    30,726.42x = 46,111.50 × 13,201.26
  4. Step 4: Simplify right side
    30,726.42x = 608,729,900.49
  5. Step 5: Solve for x
    x = 608,729,900.49/30,726.42
  6. Step 6: Final answer
    x = 19,811.29

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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.