Home / 39,629.24-54,685.16-22,859

Finding the Fourth Proportional to 39,629.24, 54,685.16 and 22,859

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Solution

The fourth proportional to 39,629.24, 54,685.16 and 22,859 is: 31,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,629.24 : 54,685.16 = 22,859 : x
  2. Step 2: Convert to fraction form
    39,629.24/54,685.16 = 22,859/x
  3. Step 3: Cross multiply
    39,629.24x = 54,685.16 × 22,859
  4. Step 4: Simplify right side
    39,629.24x = 1,250,048,072.44
  5. Step 5: Solve for x
    x = 1,250,048,072.44/39,629.24
  6. Step 6: Final answer
    x = 31,543.58

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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.