Home / 20,409.52-30,610.60-5,616.52

Finding the Fourth Proportional to 20,409.52, 30,610.60 and 5,616.52

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Solution

The fourth proportional to 20,409.52, 30,610.60 and 5,616.52 is: 8,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409.52 : 30,610.60 = 5,616.52 : x
  2. Step 2: Convert to fraction form
    20,409.52/30,610.60 = 5,616.52/x
  3. Step 3: Cross multiply
    20,409.52x = 30,610.60 × 5,616.52
  4. Step 4: Simplify right side
    20,409.52x = 171,925,047.11
  5. Step 5: Solve for x
    x = 171,925,047.11/20,409.52
  6. Step 6: Final answer
    x = 8,423.77

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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.