Home / 30,522.10-45,778.76-11,810.96

Finding the Fourth Proportional to 30,522.10, 45,778.76 and 11,810.96

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Solution

The fourth proportional to 30,522.10, 45,778.76 and 11,810.96 is: 17,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.10 : 45,778.76 = 11,810.96 : x
  2. Step 2: Convert to fraction form
    30,522.10/45,778.76 = 11,810.96/x
  3. Step 3: Cross multiply
    30,522.10x = 45,778.76 × 11,810.96
  4. Step 4: Simplify right side
    30,522.10x = 540,691,103.21
  5. Step 5: Solve for x
    x = 540,691,103.21/30,522.10
  6. Step 6: Final answer
    x = 17,714.74

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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.