Home / 40,273.89-55,578.60-22,369.65

Finding the Fourth Proportional to 40,273.89, 55,578.60 and 22,369.65

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Solution

The fourth proportional to 40,273.89, 55,578.60 and 22,369.65 is: 30,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,273.89 : 55,578.60 = 22,369.65 : x
  2. Step 2: Convert to fraction form
    40,273.89/55,578.60 = 22,369.65/x
  3. Step 3: Cross multiply
    40,273.89x = 55,578.60 × 22,369.65
  4. Step 4: Simplify right side
    40,273.89x = 1,243,273,829.49
  5. Step 5: Solve for x
    x = 1,243,273,829.49/40,273.89
  6. Step 6: Final answer
    x = 30,870.47

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1.5x scale

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.