Home / 43,633.48-65,448.81-12,468.70

Finding the Fourth Proportional to 43,633.48, 65,448.81 and 12,468.70

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Solution

The fourth proportional to 43,633.48, 65,448.81 and 12,468.70 is: 18,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,633.48 : 65,448.81 = 12,468.70 : x
  2. Step 2: Convert to fraction form
    43,633.48/65,448.81 = 12,468.70/x
  3. Step 3: Cross multiply
    43,633.48x = 65,448.81 × 12,468.70
  4. Step 4: Simplify right side
    43,633.48x = 816,061,577.25
  5. Step 5: Solve for x
    x = 816,061,577.25/43,633.48
  6. Step 6: Final answer
    x = 18,702.65

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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.