Home / 45,508.20-68,262.32-14,345.88

Finding the Fourth Proportional to 45,508.20, 68,262.32 and 14,345.88

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Solution

The fourth proportional to 45,508.20, 68,262.32 and 14,345.88 is: 21,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,508.20 : 68,262.32 = 14,345.88 : x
  2. Step 2: Convert to fraction form
    45,508.20/68,262.32 = 14,345.88/x
  3. Step 3: Cross multiply
    45,508.20x = 68,262.32 × 14,345.88
  4. Step 4: Simplify right side
    45,508.20x = 979,283,051.24
  5. Step 5: Solve for x
    x = 979,283,051.24/45,508.20
  6. Step 6: Final answer
    x = 21,518.83

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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.