Home / 53,921.70-74,412.68-30,047.56

Finding the Fourth Proportional to 53,921.70, 74,412.68 and 30,047.56

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Solution

The fourth proportional to 53,921.70, 74,412.68 and 30,047.56 is: 41,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.70 : 74,412.68 = 30,047.56 : x
  2. Step 2: Convert to fraction form
    53,921.70/74,412.68 = 30,047.56/x
  3. Step 3: Cross multiply
    53,921.70x = 74,412.68 × 30,047.56
  4. Step 4: Simplify right side
    53,921.70x = 2,235,919,130.79
  5. Step 5: Solve for x
    x = 2,235,919,130.79/53,921.70
  6. Step 6: Final answer
    x = 41,466.04

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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.