Home / 20,030.28-30,063.57-10,678.14

Finding the Fourth Proportional to 20,030.28, 30,063.57 and 10,678.14

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Solution

The fourth proportional to 20,030.28, 30,063.57 and 10,678.14 is: 16,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.28 : 30,063.57 = 10,678.14 : x
  2. Step 2: Convert to fraction form
    20,030.28/30,063.57 = 10,678.14/x
  3. Step 3: Cross multiply
    20,030.28x = 30,063.57 × 10,678.14
  4. Step 4: Simplify right side
    20,030.28x = 321,023,009.36
  5. Step 5: Solve for x
    x = 321,023,009.36/20,030.28
  6. Step 6: Final answer
    x = 16,026.89

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1.5x scale

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.