Home / 45,285.78-67,927.59-14,120.22

Finding the Fourth Proportional to 45,285.78, 67,927.59 and 14,120.22

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Solution

The fourth proportional to 45,285.78, 67,927.59 and 14,120.22 is: 21,179.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,285.78 : 67,927.59 = 14,120.22 : x
  2. Step 2: Convert to fraction form
    45,285.78/67,927.59 = 14,120.22/x
  3. Step 3: Cross multiply
    45,285.78x = 67,927.59 × 14,120.22
  4. Step 4: Simplify right side
    45,285.78x = 959,152,514.87
  5. Step 5: Solve for x
    x = 959,152,514.87/45,285.78
  6. Step 6: Final answer
    x = 21,179.99

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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.