Home / 45,682.58-68,558.49-19,405.76

Finding the Fourth Proportional to 45,682.58, 68,558.49 and 19,405.76

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Solution

The fourth proportional to 45,682.58, 68,558.49 and 19,405.76 is: 29,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,682.58 : 68,558.49 = 19,405.76 : x
  2. Step 2: Convert to fraction form
    45,682.58/68,558.49 = 19,405.76/x
  3. Step 3: Cross multiply
    45,682.58x = 68,558.49 × 19,405.76
  4. Step 4: Simplify right side
    45,682.58x = 1,330,429,602.90
  5. Step 5: Solve for x
    x = 1,330,429,602.90/45,682.58
  6. Step 6: Final answer
    x = 29,123.35

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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.