Home / 30,114.24-45,176.44-11,140

Finding the Fourth Proportional to 30,114.24, 45,176.44 and 11,140

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Solution

The fourth proportional to 30,114.24, 45,176.44 and 11,140 is: 16,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,114.24 : 45,176.44 = 11,140 : x
  2. Step 2: Convert to fraction form
    30,114.24/45,176.44 = 11,140/x
  3. Step 3: Cross multiply
    30,114.24x = 45,176.44 × 11,140
  4. Step 4: Simplify right side
    30,114.24x = 503,265,541.60
  5. Step 5: Solve for x
    x = 503,265,541.60/30,114.24
  6. Step 6: Final answer
    x = 16,711.88

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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.