Home / 53,865.73-74,322.31-30,884.91

Finding the Fourth Proportional to 53,865.73, 74,322.31 and 30,884.91

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Solution

The fourth proportional to 53,865.73, 74,322.31 and 30,884.91 is: 42,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.73 : 74,322.31 = 30,884.91 : x
  2. Step 2: Convert to fraction form
    53,865.73/74,322.31 = 30,884.91/x
  3. Step 3: Cross multiply
    53,865.73x = 74,322.31 × 30,884.91
  4. Step 4: Simplify right side
    53,865.73x = 2,295,437,975.39
  5. Step 5: Solve for x
    x = 2,295,437,975.39/53,865.73
  6. Step 6: Final answer
    x = 42,614.07

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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.