Home / 36,258.51-54,335.93-20,643.87

Finding the Fourth Proportional to 36,258.51, 54,335.93 and 20,643.87

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Solution

The fourth proportional to 36,258.51, 54,335.93 and 20,643.87 is: 30,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,258.51 : 54,335.93 = 20,643.87 : x
  2. Step 2: Convert to fraction form
    36,258.51/54,335.93 = 20,643.87/x
  3. Step 3: Cross multiply
    36,258.51x = 54,335.93 × 20,643.87
  4. Step 4: Simplify right side
    36,258.51x = 1,121,703,772.03
  5. Step 5: Solve for x
    x = 1,121,703,772.03/36,258.51
  6. Step 6: Final answer
    x = 30,936.29

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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.