Home / 20,030.36-30,054.92-8,935.88

Finding the Fourth Proportional to 20,030.36, 30,054.92 and 8,935.88

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Solution

The fourth proportional to 20,030.36, 30,054.92 and 8,935.88 is: 13,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.36 : 30,054.92 = 8,935.88 : x
  2. Step 2: Convert to fraction form
    20,030.36/30,054.92 = 8,935.88/x
  3. Step 3: Cross multiply
    20,030.36x = 30,054.92 × 8,935.88
  4. Step 4: Simplify right side
    20,030.36x = 268,567,158.53
  5. Step 5: Solve for x
    x = 268,567,158.53/20,030.36
  6. Step 6: Final answer
    x = 13,408.00

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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.