Home / 55,244.65-76,237.79-31,369.78

Finding the Fourth Proportional to 55,244.65, 76,237.79 and 31,369.78

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Solution

The fourth proportional to 55,244.65, 76,237.79 and 31,369.78 is: 43,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,244.65 : 76,237.79 = 31,369.78 : x
  2. Step 2: Convert to fraction form
    55,244.65/76,237.79 = 31,369.78/x
  3. Step 3: Cross multiply
    55,244.65x = 76,237.79 × 31,369.78
  4. Step 4: Simplify right side
    55,244.65x = 2,391,562,947.23
  5. Step 5: Solve for x
    x = 2,391,562,947.23/55,244.65
  6. Step 6: Final answer
    x = 43,290.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.