Home / 54,300.54-74,938.23-30,102.53

Finding the Fourth Proportional to 54,300.54, 74,938.23 and 30,102.53

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Solution

The fourth proportional to 54,300.54, 74,938.23 and 30,102.53 is: 41,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.54 : 74,938.23 = 30,102.53 : x
  2. Step 2: Convert to fraction form
    54,300.54/74,938.23 = 30,102.53/x
  3. Step 3: Cross multiply
    54,300.54x = 74,938.23 × 30,102.53
  4. Step 4: Simplify right side
    54,300.54x = 2,255,829,942.03
  5. Step 5: Solve for x
    x = 2,255,829,942.03/54,300.54
  6. Step 6: Final answer
    x = 41,543.42

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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.