Home / 43,043.58-64,569.09-11,878.83

Finding the Fourth Proportional to 43,043.58, 64,569.09 and 11,878.83

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Solution

The fourth proportional to 43,043.58, 64,569.09 and 11,878.83 is: 17,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,043.58 : 64,569.09 = 11,878.83 : x
  2. Step 2: Convert to fraction form
    43,043.58/64,569.09 = 11,878.83/x
  3. Step 3: Cross multiply
    43,043.58x = 64,569.09 × 11,878.83
  4. Step 4: Simplify right side
    43,043.58x = 767,005,243.36
  5. Step 5: Solve for x
    x = 767,005,243.36/43,043.58
  6. Step 6: Final answer
    x = 17,819.27

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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.