Home / 53,881.20-74,354.76-30,007.26

Finding the Fourth Proportional to 53,881.20, 74,354.76 and 30,007.26

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Solution

The fourth proportional to 53,881.20, 74,354.76 and 30,007.26 is: 41,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.20 : 74,354.76 = 30,007.26 : x
  2. Step 2: Convert to fraction form
    53,881.20/74,354.76 = 30,007.26/x
  3. Step 3: Cross multiply
    53,881.20x = 74,354.76 × 30,007.26
  4. Step 4: Simplify right side
    53,881.20x = 2,231,182,615.56
  5. Step 5: Solve for x
    x = 2,231,182,615.56/53,881.20
  6. Step 6: Final answer
    x = 41,409.30

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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.