Home / 35,914.07-53,871.25-12,540.51

Finding the Fourth Proportional to 35,914.07, 53,871.25 and 12,540.51

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Solution

The fourth proportional to 35,914.07, 53,871.25 and 12,540.51 is: 18,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,914.07 : 53,871.25 = 12,540.51 : x
  2. Step 2: Convert to fraction form
    35,914.07/53,871.25 = 12,540.51/x
  3. Step 3: Cross multiply
    35,914.07x = 53,871.25 × 12,540.51
  4. Step 4: Simplify right side
    35,914.07x = 675,572,679.98
  5. Step 5: Solve for x
    x = 675,572,679.98/35,914.07
  6. Step 6: Final answer
    x = 18,810.81

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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.