Home / 30,327.62-45,516.99-12,810.02

Finding the Fourth Proportional to 30,327.62, 45,516.99 and 12,810.02

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Solution

The fourth proportional to 30,327.62, 45,516.99 and 12,810.02 is: 19,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.62 : 45,516.99 = 12,810.02 : x
  2. Step 2: Convert to fraction form
    30,327.62/45,516.99 = 12,810.02/x
  3. Step 3: Cross multiply
    30,327.62x = 45,516.99 × 12,810.02
  4. Step 4: Simplify right side
    30,327.62x = 583,073,552.24
  5. Step 5: Solve for x
    x = 583,073,552.24/30,327.62
  6. Step 6: Final answer
    x = 19,225.83

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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.