Home / 45,678.60-68,515.47-14,511.42

Finding the Fourth Proportional to 45,678.60, 68,515.47 and 14,511.42

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Solution

The fourth proportional to 45,678.60, 68,515.47 and 14,511.42 is: 21,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,678.60 : 68,515.47 = 14,511.42 : x
  2. Step 2: Convert to fraction form
    45,678.60/68,515.47 = 14,511.42/x
  3. Step 3: Cross multiply
    45,678.60x = 68,515.47 × 14,511.42
  4. Step 4: Simplify right side
    45,678.60x = 994,256,761.67
  5. Step 5: Solve for x
    x = 994,256,761.67/45,678.60
  6. Step 6: Final answer
    x = 21,766.36

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1.5x scale

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.