Home / 20,587.02-30,880.54-5,004.54

Finding the Fourth Proportional to 20,587.02, 30,880.54 and 5,004.54

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Solution

The fourth proportional to 20,587.02, 30,880.54 and 5,004.54 is: 7,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.02 : 30,880.54 = 5,004.54 : x
  2. Step 2: Convert to fraction form
    20,587.02/30,880.54 = 5,004.54/x
  3. Step 3: Cross multiply
    20,587.02x = 30,880.54 × 5,004.54
  4. Step 4: Simplify right side
    20,587.02x = 154,542,897.65
  5. Step 5: Solve for x
    x = 154,542,897.65/20,587.02
  6. Step 6: Final answer
    x = 7,506.81

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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.