Home / 45,664.48-68,496.72-12,384.55

Finding the Fourth Proportional to 45,664.48, 68,496.72 and 12,384.55

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Solution

The fourth proportional to 45,664.48, 68,496.72 and 12,384.55 is: 18,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,664.48 : 68,496.72 = 12,384.55 : x
  2. Step 2: Convert to fraction form
    45,664.48/68,496.72 = 12,384.55/x
  3. Step 3: Cross multiply
    45,664.48x = 68,496.72 × 12,384.55
  4. Step 4: Simplify right side
    45,664.48x = 848,301,053.68
  5. Step 5: Solve for x
    x = 848,301,053.68/45,664.48
  6. Step 6: Final answer
    x = 18,576.83

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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.