Home / 45,535.81-68,297.55-12,257.87

Finding the Fourth Proportional to 45,535.81, 68,297.55 and 12,257.87

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Solution

The fourth proportional to 45,535.81, 68,297.55 and 12,257.87 is: 18,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,535.81 : 68,297.55 = 12,257.87 : x
  2. Step 2: Convert to fraction form
    45,535.81/68,297.55 = 12,257.87/x
  3. Step 3: Cross multiply
    45,535.81x = 68,297.55 × 12,257.87
  4. Step 4: Simplify right side
    45,535.81x = 837,182,489.22
  5. Step 5: Solve for x
    x = 837,182,489.22/45,535.81
  6. Step 6: Final answer
    x = 18,385.15

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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.