Home / 45,812.34-68,718.56-12,529.94

Finding the Fourth Proportional to 45,812.34, 68,718.56 and 12,529.94

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Solution

The fourth proportional to 45,812.34, 68,718.56 and 12,529.94 is: 18,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.34 : 68,718.56 = 12,529.94 : x
  2. Step 2: Convert to fraction form
    45,812.34/68,718.56 = 12,529.94/x
  3. Step 3: Cross multiply
    45,812.34x = 68,718.56 × 12,529.94
  4. Step 4: Simplify right side
    45,812.34x = 861,039,027.44
  5. Step 5: Solve for x
    x = 861,039,027.44/45,812.34
  6. Step 6: Final answer
    x = 18,794.91

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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.