Home / 54,740.75-75,541.05-30,868.28

Finding the Fourth Proportional to 54,740.75, 75,541.05 and 30,868.28

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Solution

The fourth proportional to 54,740.75, 75,541.05 and 30,868.28 is: 42,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.75 : 75,541.05 = 30,868.28 : x
  2. Step 2: Convert to fraction form
    54,740.75/75,541.05 = 30,868.28/x
  3. Step 3: Cross multiply
    54,740.75x = 75,541.05 × 30,868.28
  4. Step 4: Simplify right side
    54,740.75x = 2,331,821,905.19
  5. Step 5: Solve for x
    x = 2,331,821,905.19/54,740.75
  6. Step 6: Final answer
    x = 42,597.56

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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.