Home / 39,336.09-54,279.66-23,418.36

Finding the Fourth Proportional to 39,336.09, 54,279.66 and 23,418.36

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Solution

The fourth proportional to 39,336.09, 54,279.66 and 23,418.36 is: 32,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,336.09 : 54,279.66 = 23,418.36 : x
  2. Step 2: Convert to fraction form
    39,336.09/54,279.66 = 23,418.36/x
  3. Step 3: Cross multiply
    39,336.09x = 54,279.66 × 23,418.36
  4. Step 4: Simplify right side
    39,336.09x = 1,271,140,618.56
  5. Step 5: Solve for x
    x = 1,271,140,618.56/39,336.09
  6. Step 6: Final answer
    x = 32,314.87

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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.