Home / 54,005.81-74,531.61-30,133.01

Finding the Fourth Proportional to 54,005.81, 74,531.61 and 30,133.01

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Solution

The fourth proportional to 54,005.81, 74,531.61 and 30,133.01 is: 41,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,005.81 : 74,531.61 = 30,133.01 : x
  2. Step 2: Convert to fraction form
    54,005.81/74,531.61 = 30,133.01/x
  3. Step 3: Cross multiply
    54,005.81x = 74,531.61 × 30,133.01
  4. Step 4: Simplify right side
    54,005.81x = 2,245,861,935.78
  5. Step 5: Solve for x
    x = 2,245,861,935.78/54,005.81
  6. Step 6: Final answer
    x = 41,585.57

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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.