Home / 45,821.64-68,670.90-19,519.32

Finding the Fourth Proportional to 45,821.64, 68,670.90 and 19,519.32

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Solution

The fourth proportional to 45,821.64, 68,670.90 and 19,519.32 is: 29,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,821.64 : 68,670.90 = 19,519.32 : x
  2. Step 2: Convert to fraction form
    45,821.64/68,670.90 = 19,519.32/x
  3. Step 3: Cross multiply
    45,821.64x = 68,670.90 × 19,519.32
  4. Step 4: Simplify right side
    45,821.64x = 1,340,409,271.79
  5. Step 5: Solve for x
    x = 1,340,409,271.79/45,821.64
  6. Step 6: Final answer
    x = 29,252.76

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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.