Home / 40,249.63-55,525.19-28,319.55

Finding the Fourth Proportional to 40,249.63, 55,525.19 and 28,319.55

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Solution

The fourth proportional to 40,249.63, 55,525.19 and 28,319.55 is: 39,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,249.63 : 55,525.19 = 28,319.55 : x
  2. Step 2: Convert to fraction form
    40,249.63/55,525.19 = 28,319.55/x
  3. Step 3: Cross multiply
    40,249.63x = 55,525.19 × 28,319.55
  4. Step 4: Simplify right side
    40,249.63x = 1,572,448,394.46
  5. Step 5: Solve for x
    x = 1,572,448,394.46/40,249.63
  6. Step 6: Final answer
    x = 39,067.40

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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.