Home / 30,372.01-45,558-16,312.69

Finding the Fourth Proportional to 30,372.01, 45,558 and 16,312.69

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Solution

The fourth proportional to 30,372.01, 45,558 and 16,312.69 is: 24,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.01 : 45,558 = 16,312.69 : x
  2. Step 2: Convert to fraction form
    30,372.01/45,558 = 16,312.69/x
  3. Step 3: Cross multiply
    30,372.01x = 45,558 × 16,312.69
  4. Step 4: Simplify right side
    30,372.01x = 743,173,303.23
  5. Step 5: Solve for x
    x = 743,173,303.23/30,372.01
  6. Step 6: Final answer
    x = 24,469.02

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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.