Home / 39,876.48-55,017.36-23,106.24

Finding the Fourth Proportional to 39,876.48, 55,017.36 and 23,106.24

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Solution

The fourth proportional to 39,876.48, 55,017.36 and 23,106.24 is: 31,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.48 : 55,017.36 = 23,106.24 : x
  2. Step 2: Convert to fraction form
    39,876.48/55,017.36 = 23,106.24/x
  3. Step 3: Cross multiply
    39,876.48x = 55,017.36 × 23,106.24
  4. Step 4: Simplify right side
    39,876.48x = 1,271,244,324.33
  5. Step 5: Solve for x
    x = 1,271,244,324.33/39,876.48
  6. Step 6: Final answer
    x = 31,879.55

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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.