Home / 29,012.18-43,506.66-12,379.64

Finding the Fourth Proportional to 29,012.18, 43,506.66 and 12,379.64

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Solution

The fourth proportional to 29,012.18, 43,506.66 and 12,379.64 is: 18,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,012.18 : 43,506.66 = 12,379.64 : x
  2. Step 2: Convert to fraction form
    29,012.18/43,506.66 = 12,379.64/x
  3. Step 3: Cross multiply
    29,012.18x = 43,506.66 × 12,379.64
  4. Step 4: Simplify right side
    29,012.18x = 538,596,788.40
  5. Step 5: Solve for x
    x = 538,596,788.40/29,012.18
  6. Step 6: Final answer
    x = 18,564.51

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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.