Home / 46,819.51-64,644.77-28,939.03

Finding the Fourth Proportional to 46,819.51, 64,644.77 and 28,939.03

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Solution

The fourth proportional to 46,819.51, 64,644.77 and 28,939.03 is: 39,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,819.51 : 64,644.77 = 28,939.03 : x
  2. Step 2: Convert to fraction form
    46,819.51/64,644.77 = 28,939.03/x
  3. Step 3: Cross multiply
    46,819.51x = 64,644.77 × 28,939.03
  4. Step 4: Simplify right side
    46,819.51x = 1,870,756,938.37
  5. Step 5: Solve for x
    x = 1,870,756,938.37/46,819.51
  6. Step 6: Final answer
    x = 39,956.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.