Home / 20,030.14-30,063.37-10,678.02

Finding the Fourth Proportional to 20,030.14, 30,063.37 and 10,678.02

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Solution

The fourth proportional to 20,030.14, 30,063.37 and 10,678.02 is: 16,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.14 : 30,063.37 = 10,678.02 : x
  2. Step 2: Convert to fraction form
    20,030.14/30,063.37 = 10,678.02/x
  3. Step 3: Cross multiply
    20,030.14x = 30,063.37 × 10,678.02
  4. Step 4: Simplify right side
    20,030.14x = 321,017,266.13
  5. Step 5: Solve for x
    x = 321,017,266.13/20,030.14
  6. Step 6: Final answer
    x = 16,026.71

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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.