Home / 53,620.20-80,430.30-14,181.30

Finding the Fourth Proportional to 53,620.20, 80,430.30 and 14,181.30

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Solution

The fourth proportional to 53,620.20, 80,430.30 and 14,181.30 is: 21,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,620.20 : 80,430.30 = 14,181.30 : x
  2. Step 2: Convert to fraction form
    53,620.20/80,430.30 = 14,181.30/x
  3. Step 3: Cross multiply
    53,620.20x = 80,430.30 × 14,181.30
  4. Step 4: Simplify right side
    53,620.20x = 1,140,606,213.39
  5. Step 5: Solve for x
    x = 1,140,606,213.39/53,620.20
  6. Step 6: Final answer
    x = 21,271.95

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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.