Home / 53,631.12-74,009.81-29,757.28

Finding the Fourth Proportional to 53,631.12, 74,009.81 and 29,757.28

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Solution

The fourth proportional to 53,631.12, 74,009.81 and 29,757.28 is: 41,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,631.12 : 74,009.81 = 29,757.28 : x
  2. Step 2: Convert to fraction form
    53,631.12/74,009.81 = 29,757.28/x
  3. Step 3: Cross multiply
    53,631.12x = 74,009.81 × 29,757.28
  4. Step 4: Simplify right side
    53,631.12x = 2,202,330,638.92
  5. Step 5: Solve for x
    x = 2,202,330,638.92/53,631.12
  6. Step 6: Final answer
    x = 41,064.42

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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.