Home / 53,913.56-74,403-30,040.25

Finding the Fourth Proportional to 53,913.56, 74,403 and 30,040.25

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Solution

The fourth proportional to 53,913.56, 74,403 and 30,040.25 is: 41,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.56 : 74,403 = 30,040.25 : x
  2. Step 2: Convert to fraction form
    53,913.56/74,403 = 30,040.25/x
  3. Step 3: Cross multiply
    53,913.56x = 74,403 × 30,040.25
  4. Step 4: Simplify right side
    53,913.56x = 2,235,084,720.75
  5. Step 5: Solve for x
    x = 2,235,084,720.75/53,913.56
  6. Step 6: Final answer
    x = 41,456.82

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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.