Home / 49,735.94-74,608-21,656.92

Finding the Fourth Proportional to 49,735.94, 74,608 and 21,656.92

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Solution

The fourth proportional to 49,735.94, 74,608 and 21,656.92 is: 32,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,735.94 : 74,608 = 21,656.92 : x
  2. Step 2: Convert to fraction form
    49,735.94/74,608 = 21,656.92/x
  3. Step 3: Cross multiply
    49,735.94x = 74,608 × 21,656.92
  4. Step 4: Simplify right side
    49,735.94x = 1,615,779,487.36
  5. Step 5: Solve for x
    x = 1,615,779,487.36/49,735.94
  6. Step 6: Final answer
    x = 32,487.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.