Home / 45,789.44-68,673.06-12,509.66

Finding the Fourth Proportional to 45,789.44, 68,673.06 and 12,509.66

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Solution

The fourth proportional to 45,789.44, 68,673.06 and 12,509.66 is: 18,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,789.44 : 68,673.06 = 12,509.66 : x
  2. Step 2: Convert to fraction form
    45,789.44/68,673.06 = 12,509.66/x
  3. Step 3: Cross multiply
    45,789.44x = 68,673.06 × 12,509.66
  4. Step 4: Simplify right side
    45,789.44x = 859,076,631.76
  5. Step 5: Solve for x
    x = 859,076,631.76/45,789.44
  6. Step 6: Final answer
    x = 18,761.46

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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.