Home / 30,540.08-45,835.24-13,029.68

Finding the Fourth Proportional to 30,540.08, 45,835.24 and 13,029.68

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Solution

The fourth proportional to 30,540.08, 45,835.24 and 13,029.68 is: 19,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540.08 : 45,835.24 = 13,029.68 : x
  2. Step 2: Convert to fraction form
    30,540.08/45,835.24 = 13,029.68/x
  3. Step 3: Cross multiply
    30,540.08x = 45,835.24 × 13,029.68
  4. Step 4: Simplify right side
    30,540.08x = 597,218,509.92
  5. Step 5: Solve for x
    x = 597,218,509.92/30,540.08
  6. Step 6: Final answer
    x = 19,555.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.