Home / 55,540.41-83,312.20-21,805.03

Finding the Fourth Proportional to 55,540.41, 83,312.20 and 21,805.03

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Solution

The fourth proportional to 55,540.41, 83,312.20 and 21,805.03 is: 32,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.41 : 83,312.20 = 21,805.03 : x
  2. Step 2: Convert to fraction form
    55,540.41/83,312.20 = 21,805.03/x
  3. Step 3: Cross multiply
    55,540.41x = 83,312.20 × 21,805.03
  4. Step 4: Simplify right side
    55,540.41x = 1,816,624,603.81
  5. Step 5: Solve for x
    x = 1,816,624,603.81/55,540.41
  6. Step 6: Final answer
    x = 32,708.16

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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.