Home / 30,005.32-41,410.86-18,074.68

Finding the Fourth Proportional to 30,005.32, 41,410.86 and 18,074.68

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Solution

The fourth proportional to 30,005.32, 41,410.86 and 18,074.68 is: 24,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.32 : 41,410.86 = 18,074.68 : x
  2. Step 2: Convert to fraction form
    30,005.32/41,410.86 = 18,074.68/x
  3. Step 3: Cross multiply
    30,005.32x = 41,410.86 × 18,074.68
  4. Step 4: Simplify right side
    30,005.32x = 748,488,043.02
  5. Step 5: Solve for x
    x = 748,488,043.02/30,005.32
  6. Step 6: Final answer
    x = 24,945.18

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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.