Home / 49,996-74,973.36-20,393.76

Finding the Fourth Proportional to 49,996, 74,973.36 and 20,393.76

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Solution

The fourth proportional to 49,996, 74,973.36 and 20,393.76 is: 30,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,996 : 74,973.36 = 20,393.76 : x
  2. Step 2: Convert to fraction form
    49,996/74,973.36 = 20,393.76/x
  3. Step 3: Cross multiply
    49,996x = 74,973.36 × 20,393.76
  4. Step 4: Simplify right side
    49,996x = 1,528,988,710.23
  5. Step 5: Solve for x
    x = 1,528,988,710.23/49,996
  6. Step 6: Final answer
    x = 30,582.22

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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.