Home / 57,788.80-86,675.76-18,346.36

Finding the Fourth Proportional to 57,788.80, 86,675.76 and 18,346.36

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Solution

The fourth proportional to 57,788.80, 86,675.76 and 18,346.36 is: 27,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,788.80 : 86,675.76 = 18,346.36 : x
  2. Step 2: Convert to fraction form
    57,788.80/86,675.76 = 18,346.36/x
  3. Step 3: Cross multiply
    57,788.80x = 86,675.76 × 18,346.36
  4. Step 4: Simplify right side
    57,788.80x = 1,590,184,696.23
  5. Step 5: Solve for x
    x = 1,590,184,696.23/57,788.80
  6. Step 6: Final answer
    x = 27,517.18

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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.