Home / 53,988.56-74,505.64-30,119.88

Finding the Fourth Proportional to 53,988.56, 74,505.64 and 30,119.88

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Solution

The fourth proportional to 53,988.56, 74,505.64 and 30,119.88 is: 41,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.56 : 74,505.64 = 30,119.88 : x
  2. Step 2: Convert to fraction form
    53,988.56/74,505.64 = 30,119.88/x
  3. Step 3: Cross multiply
    53,988.56x = 74,505.64 × 30,119.88
  4. Step 4: Simplify right side
    53,988.56x = 2,244,100,936.12
  5. Step 5: Solve for x
    x = 2,244,100,936.12/53,988.56
  6. Step 6: Final answer
    x = 41,566.23

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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.