Home / 45,949.64-68,920.14-19,675.40

Finding the Fourth Proportional to 45,949.64, 68,920.14 and 19,675.40

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Solution

The fourth proportional to 45,949.64, 68,920.14 and 19,675.40 is: 29,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,949.64 : 68,920.14 = 19,675.40 : x
  2. Step 2: Convert to fraction form
    45,949.64/68,920.14 = 19,675.40/x
  3. Step 3: Cross multiply
    45,949.64x = 68,920.14 × 19,675.40
  4. Step 4: Simplify right side
    45,949.64x = 1,356,031,322.56
  5. Step 5: Solve for x
    x = 1,356,031,322.56/45,949.64
  6. Step 6: Final answer
    x = 29,511.25

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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.