Home / 45,348.78-68,023.06-12,068.84

Finding the Fourth Proportional to 45,348.78, 68,023.06 and 12,068.84

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Solution

The fourth proportional to 45,348.78, 68,023.06 and 12,068.84 is: 18,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,348.78 : 68,023.06 = 12,068.84 : x
  2. Step 2: Convert to fraction form
    45,348.78/68,023.06 = 12,068.84/x
  3. Step 3: Cross multiply
    45,348.78x = 68,023.06 × 12,068.84
  4. Step 4: Simplify right side
    45,348.78x = 820,959,427.45
  5. Step 5: Solve for x
    x = 820,959,427.45/45,348.78
  6. Step 6: Final answer
    x = 18,103.23

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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.