Home / 40,942.80-61,394.04-13,237.20

Finding the Fourth Proportional to 40,942.80, 61,394.04 and 13,237.20

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Solution

The fourth proportional to 40,942.80, 61,394.04 and 13,237.20 is: 19,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942.80 : 61,394.04 = 13,237.20 : x
  2. Step 2: Convert to fraction form
    40,942.80/61,394.04 = 13,237.20/x
  3. Step 3: Cross multiply
    40,942.80x = 61,394.04 × 13,237.20
  4. Step 4: Simplify right side
    40,942.80x = 812,685,186.29
  5. Step 5: Solve for x
    x = 812,685,186.29/40,942.80
  6. Step 6: Final answer
    x = 19,849.28

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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.