Home / 30,607.79-45,936.27-15,821.03

Finding the Fourth Proportional to 30,607.79, 45,936.27 and 15,821.03

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Solution

The fourth proportional to 30,607.79, 45,936.27 and 15,821.03 is: 23,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607.79 : 45,936.27 = 15,821.03 : x
  2. Step 2: Convert to fraction form
    30,607.79/45,936.27 = 15,821.03/x
  3. Step 3: Cross multiply
    30,607.79x = 45,936.27 × 15,821.03
  4. Step 4: Simplify right side
    30,607.79x = 726,758,876.08
  5. Step 5: Solve for x
    x = 726,758,876.08/30,607.79
  6. Step 6: Final answer
    x = 23,744.25

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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.