Home / 30,342.30-45,480.58-15,530.92

Finding the Fourth Proportional to 30,342.30, 45,480.58 and 15,530.92

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Solution

The fourth proportional to 30,342.30, 45,480.58 and 15,530.92 is: 23,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.30 : 45,480.58 = 15,530.92 : x
  2. Step 2: Convert to fraction form
    30,342.30/45,480.58 = 15,530.92/x
  3. Step 3: Cross multiply
    30,342.30x = 45,480.58 × 15,530.92
  4. Step 4: Simplify right side
    30,342.30x = 706,355,249.53
  5. Step 5: Solve for x
    x = 706,355,249.53/30,342.30
  6. Step 6: Final answer
    x = 23,279.56

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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.