Home / 45,673.38-68,511.54-12,393.36

Finding the Fourth Proportional to 45,673.38, 68,511.54 and 12,393.36

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Solution

The fourth proportional to 45,673.38, 68,511.54 and 12,393.36 is: 18,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,673.38 : 68,511.54 = 12,393.36 : x
  2. Step 2: Convert to fraction form
    45,673.38/68,511.54 = 12,393.36/x
  3. Step 3: Cross multiply
    45,673.38x = 68,511.54 × 12,393.36
  4. Step 4: Simplify right side
    45,673.38x = 849,088,179.37
  5. Step 5: Solve for x
    x = 849,088,179.37/45,673.38
  6. Step 6: Final answer
    x = 18,590.44

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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.