Home / 53,235.57-79,908.74-39,211.43

Finding the Fourth Proportional to 53,235.57, 79,908.74 and 39,211.43

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Solution

The fourth proportional to 53,235.57, 79,908.74 and 39,211.43 is: 58,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,235.57 : 79,908.74 = 39,211.43 : x
  2. Step 2: Convert to fraction form
    53,235.57/79,908.74 = 39,211.43/x
  3. Step 3: Cross multiply
    53,235.57x = 79,908.74 × 39,211.43
  4. Step 4: Simplify right side
    53,235.57x = 3,133,335,964.90
  5. Step 5: Solve for x
    x = 3,133,335,964.90/53,235.57
  6. Step 6: Final answer
    x = 58,857.94

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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.