Home / 53,648.94-74,018.42-30,984.96

Finding the Fourth Proportional to 53,648.94, 74,018.42 and 30,984.96

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Solution

The fourth proportional to 53,648.94, 74,018.42 and 30,984.96 is: 42,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,648.94 : 74,018.42 = 30,984.96 : x
  2. Step 2: Convert to fraction form
    53,648.94/74,018.42 = 30,984.96/x
  3. Step 3: Cross multiply
    53,648.94x = 74,018.42 × 30,984.96
  4. Step 4: Simplify right side
    53,648.94x = 2,293,457,782.96
  5. Step 5: Solve for x
    x = 2,293,457,782.96/53,648.94
  6. Step 6: Final answer
    x = 42,749.36

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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.