Home / 57,904.29-86,806.44-22,390.47

Finding the Fourth Proportional to 57,904.29, 86,806.44 and 22,390.47

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Solution

The fourth proportional to 57,904.29, 86,806.44 and 22,390.47 is: 33,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,904.29 : 86,806.44 = 22,390.47 : x
  2. Step 2: Convert to fraction form
    57,904.29/86,806.44 = 22,390.47/x
  3. Step 3: Cross multiply
    57,904.29x = 86,806.44 × 22,390.47
  4. Step 4: Simplify right side
    57,904.29x = 1,943,636,990.63
  5. Step 5: Solve for x
    x = 1,943,636,990.63/57,904.29
  6. Step 6: Final answer
    x = 33,566.37

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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.