Home / 51,522.08-77,289.20-18,235.20

Finding the Fourth Proportional to 51,522.08, 77,289.20 and 18,235.20

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Solution

The fourth proportional to 51,522.08, 77,289.20 and 18,235.20 is: 27,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,522.08 : 77,289.20 = 18,235.20 : x
  2. Step 2: Convert to fraction form
    51,522.08/77,289.20 = 18,235.20/x
  3. Step 3: Cross multiply
    51,522.08x = 77,289.20 × 18,235.20
  4. Step 4: Simplify right side
    51,522.08x = 1,409,384,019.84
  5. Step 5: Solve for x
    x = 1,409,384,019.84/51,522.08
  6. Step 6: Final answer
    x = 27,354.95

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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.