Home / 20,821.02-31,236.09-6,030.54

Finding the Fourth Proportional to 20,821.02, 31,236.09 and 6,030.54

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Solution

The fourth proportional to 20,821.02, 31,236.09 and 6,030.54 is: 9,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,821.02 : 31,236.09 = 6,030.54 : x
  2. Step 2: Convert to fraction form
    20,821.02/31,236.09 = 6,030.54/x
  3. Step 3: Cross multiply
    20,821.02x = 31,236.09 × 6,030.54
  4. Step 4: Simplify right side
    20,821.02x = 188,370,490.19
  5. Step 5: Solve for x
    x = 188,370,490.19/20,821.02
  6. Step 6: Final answer
    x = 9,047.13

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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.