Home / 53,975.40-74,489.04-30,102

Finding the Fourth Proportional to 53,975.40, 74,489.04 and 30,102

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Solution

The fourth proportional to 53,975.40, 74,489.04 and 30,102 is: 41,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.40 : 74,489.04 = 30,102 : x
  2. Step 2: Convert to fraction form
    53,975.40/74,489.04 = 30,102/x
  3. Step 3: Cross multiply
    53,975.40x = 74,489.04 × 30,102
  4. Step 4: Simplify right side
    53,975.40x = 2,242,269,082.08
  5. Step 5: Solve for x
    x = 2,242,269,082.08/53,975.40
  6. Step 6: Final answer
    x = 41,542.43

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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.