Home / 39,903.41-55,066.02-21,754.33

Finding the Fourth Proportional to 39,903.41, 55,066.02 and 21,754.33

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Solution

The fourth proportional to 39,903.41, 55,066.02 and 21,754.33 is: 30,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,903.41 : 55,066.02 = 21,754.33 : x
  2. Step 2: Convert to fraction form
    39,903.41/55,066.02 = 21,754.33/x
  3. Step 3: Cross multiply
    39,903.41x = 55,066.02 × 21,754.33
  4. Step 4: Simplify right side
    39,903.41x = 1,197,924,370.87
  5. Step 5: Solve for x
    x = 1,197,924,370.87/39,903.41
  6. Step 6: Final answer
    x = 30,020.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.