Home / 53,930.72-74,406.80-30,052.88

Finding the Fourth Proportional to 53,930.72, 74,406.80 and 30,052.88

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Solution

The fourth proportional to 53,930.72, 74,406.80 and 30,052.88 is: 41,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,930.72 : 74,406.80 = 30,052.88 : x
  2. Step 2: Convert to fraction form
    53,930.72/74,406.80 = 30,052.88/x
  3. Step 3: Cross multiply
    53,930.72x = 74,406.80 × 30,052.88
  4. Step 4: Simplify right side
    53,930.72x = 2,236,138,631.58
  5. Step 5: Solve for x
    x = 2,236,138,631.58/53,930.72
  6. Step 6: Final answer
    x = 41,463.17

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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.