Home / 39,458.13-54,415.15-29,408.86

Finding the Fourth Proportional to 39,458.13, 54,415.15 and 29,408.86

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Solution

The fourth proportional to 39,458.13, 54,415.15 and 29,408.86 is: 40,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,458.13 : 54,415.15 = 29,408.86 : x
  2. Step 2: Convert to fraction form
    39,458.13/54,415.15 = 29,408.86/x
  3. Step 3: Cross multiply
    39,458.13x = 54,415.15 × 29,408.86
  4. Step 4: Simplify right side
    39,458.13x = 1,600,287,528.23
  5. Step 5: Solve for x
    x = 1,600,287,528.23/39,458.13
  6. Step 6: Final answer
    x = 40,556.60

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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.