Home / 45,923.96-68,881.88-12,642.96

Finding the Fourth Proportional to 45,923.96, 68,881.88 and 12,642.96

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Solution

The fourth proportional to 45,923.96, 68,881.88 and 12,642.96 is: 18,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,923.96 : 68,881.88 = 12,642.96 : x
  2. Step 2: Convert to fraction form
    45,923.96/68,881.88 = 12,642.96/x
  3. Step 3: Cross multiply
    45,923.96x = 68,881.88 × 12,642.96
  4. Step 4: Simplify right side
    45,923.96x = 870,870,853.56
  5. Step 5: Solve for x
    x = 870,870,853.56/45,923.96
  6. Step 6: Final answer
    x = 18,963.32

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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.