Home / 45,619.68-68,429.52-14,452.50

Finding the Fourth Proportional to 45,619.68, 68,429.52 and 14,452.50

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Solution

The fourth proportional to 45,619.68, 68,429.52 and 14,452.50 is: 21,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,619.68 : 68,429.52 = 14,452.50 : x
  2. Step 2: Convert to fraction form
    45,619.68/68,429.52 = 14,452.50/x
  3. Step 3: Cross multiply
    45,619.68x = 68,429.52 × 14,452.50
  4. Step 4: Simplify right side
    45,619.68x = 988,977,637.80
  5. Step 5: Solve for x
    x = 988,977,637.80/45,619.68
  6. Step 6: Final answer
    x = 21,678.75

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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.