Home / 46,136.35-69,204.57-12,856.51

Finding the Fourth Proportional to 46,136.35, 69,204.57 and 12,856.51

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Solution

The fourth proportional to 46,136.35, 69,204.57 and 12,856.51 is: 19,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,136.35 : 69,204.57 = 12,856.51 : x
  2. Step 2: Convert to fraction form
    46,136.35/69,204.57 = 12,856.51/x
  3. Step 3: Cross multiply
    46,136.35x = 69,204.57 × 12,856.51
  4. Step 4: Simplify right side
    46,136.35x = 889,729,246.25
  5. Step 5: Solve for x
    x = 889,729,246.25/46,136.35
  6. Step 6: Final answer
    x = 19,284.78

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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.