Home / 39,939.51-59,899-11,852.92

Finding the Fourth Proportional to 39,939.51, 59,899 and 11,852.92

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Solution

The fourth proportional to 39,939.51, 59,899 and 11,852.92 is: 17,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.51 : 59,899 = 11,852.92 : x
  2. Step 2: Convert to fraction form
    39,939.51/59,899 = 11,852.92/x
  3. Step 3: Cross multiply
    39,939.51x = 59,899 × 11,852.92
  4. Step 4: Simplify right side
    39,939.51x = 709,978,055.08
  5. Step 5: Solve for x
    x = 709,978,055.08/39,939.51
  6. Step 6: Final answer
    x = 17,776.33

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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.