Home / 30,016.59-45,000.58-12,499.53

Finding the Fourth Proportional to 30,016.59, 45,000.58 and 12,499.53

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Solution

The fourth proportional to 30,016.59, 45,000.58 and 12,499.53 is: 18,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.59 : 45,000.58 = 12,499.53 : x
  2. Step 2: Convert to fraction form
    30,016.59/45,000.58 = 12,499.53/x
  3. Step 3: Cross multiply
    30,016.59x = 45,000.58 × 12,499.53
  4. Step 4: Simplify right side
    30,016.59x = 562,486,099.73
  5. Step 5: Solve for x
    x = 562,486,099.73/30,016.59
  6. Step 6: Final answer
    x = 18,739.17

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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.