Home / 35,840.26-53,726.81-12,131.21

Finding the Fourth Proportional to 35,840.26, 53,726.81 and 12,131.21

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Solution

The fourth proportional to 35,840.26, 53,726.81 and 12,131.21 is: 18,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,840.26 : 53,726.81 = 12,131.21 : x
  2. Step 2: Convert to fraction form
    35,840.26/53,726.81 = 12,131.21/x
  3. Step 3: Cross multiply
    35,840.26x = 53,726.81 × 12,131.21
  4. Step 4: Simplify right side
    35,840.26x = 651,771,154.35
  5. Step 5: Solve for x
    x = 651,771,154.35/35,840.26
  6. Step 6: Final answer
    x = 18,185.45

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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.