Home / 57,328.43-86,026.48-21,819.65

Finding the Fourth Proportional to 57,328.43, 86,026.48 and 21,819.65

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Solution

The fourth proportional to 57,328.43, 86,026.48 and 21,819.65 is: 32,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.43 : 86,026.48 = 21,819.65 : x
  2. Step 2: Convert to fraction form
    57,328.43/86,026.48 = 21,819.65/x
  3. Step 3: Cross multiply
    57,328.43x = 86,026.48 × 21,819.65
  4. Step 4: Simplify right side
    57,328.43x = 1,877,067,145.10
  5. Step 5: Solve for x
    x = 1,877,067,145.10/57,328.43
  6. Step 6: Final answer
    x = 32,742.34

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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.