Home / 30,271.80-45,414.92-9,495.28

Finding the Fourth Proportional to 30,271.80, 45,414.92 and 9,495.28

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Solution

The fourth proportional to 30,271.80, 45,414.92 and 9,495.28 is: 14,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.80 : 45,414.92 = 9,495.28 : x
  2. Step 2: Convert to fraction form
    30,271.80/45,414.92 = 9,495.28/x
  3. Step 3: Cross multiply
    30,271.80x = 45,414.92 × 9,495.28
  4. Step 4: Simplify right side
    30,271.80x = 431,227,381.58
  5. Step 5: Solve for x
    x = 431,227,381.58/30,271.80
  6. Step 6: Final answer
    x = 14,245.18

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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.