Home / 39,405.30-54,335.14-32,212.86

Finding the Fourth Proportional to 39,405.30, 54,335.14 and 32,212.86

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Solution

The fourth proportional to 39,405.30, 54,335.14 and 32,212.86 is: 44,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,405.30 : 54,335.14 = 32,212.86 : x
  2. Step 2: Convert to fraction form
    39,405.30/54,335.14 = 32,212.86/x
  3. Step 3: Cross multiply
    39,405.30x = 54,335.14 × 32,212.86
  4. Step 4: Simplify right side
    39,405.30x = 1,750,290,257.90
  5. Step 5: Solve for x
    x = 1,750,290,257.90/39,405.30
  6. Step 6: Final answer
    x = 44,417.64

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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.