Home / 40,074.60-55,291.01-23,078.39

Finding the Fourth Proportional to 40,074.60, 55,291.01 and 23,078.39

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Solution

The fourth proportional to 40,074.60, 55,291.01 and 23,078.39 is: 31,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.60 : 55,291.01 = 23,078.39 : x
  2. Step 2: Convert to fraction form
    40,074.60/55,291.01 = 23,078.39/x
  3. Step 3: Cross multiply
    40,074.60x = 55,291.01 × 23,078.39
  4. Step 4: Simplify right side
    40,074.60x = 1,276,027,566.94
  5. Step 5: Solve for x
    x = 1,276,027,566.94/40,074.60
  6. Step 6: Final answer
    x = 31,841.31

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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.