Home / 43,577.66-65,377.39-12,412.91

Finding the Fourth Proportional to 43,577.66, 65,377.39 and 12,412.91

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Solution

The fourth proportional to 43,577.66, 65,377.39 and 12,412.91 is: 18,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.66 : 65,377.39 = 12,412.91 : x
  2. Step 2: Convert to fraction form
    43,577.66/65,377.39 = 12,412.91/x
  3. Step 3: Cross multiply
    43,577.66x = 65,377.39 × 12,412.91
  4. Step 4: Simplify right side
    43,577.66x = 811,523,658.10
  5. Step 5: Solve for x
    x = 811,523,658.10/43,577.66
  6. Step 6: Final answer
    x = 18,622.47

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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.