Home / 43,579.32-65,377.26-31,068.36

Finding the Fourth Proportional to 43,579.32, 65,377.26 and 31,068.36

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Solution

The fourth proportional to 43,579.32, 65,377.26 and 31,068.36 is: 46,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.32 : 65,377.26 = 31,068.36 : x
  2. Step 2: Convert to fraction form
    43,579.32/65,377.26 = 31,068.36/x
  3. Step 3: Cross multiply
    43,579.32x = 65,377.26 × 31,068.36
  4. Step 4: Simplify right side
    43,579.32x = 2,031,164,249.49
  5. Step 5: Solve for x
    x = 2,031,164,249.49/43,579.32
  6. Step 6: Final answer
    x = 46,608.44

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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.