Home / 30,064.96-45,101.54-12,530.68

Finding the Fourth Proportional to 30,064.96, 45,101.54 and 12,530.68

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Solution

The fourth proportional to 30,064.96, 45,101.54 and 12,530.68 is: 18,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.96 : 45,101.54 = 12,530.68 : x
  2. Step 2: Convert to fraction form
    30,064.96/45,101.54 = 12,530.68/x
  3. Step 3: Cross multiply
    30,064.96x = 45,101.54 × 12,530.68
  4. Step 4: Simplify right side
    30,064.96x = 565,152,965.25
  5. Step 5: Solve for x
    x = 565,152,965.25/30,064.96
  6. Step 6: Final answer
    x = 18,797.73

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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.