Home / 30,160.12-45,179.74-14,380.46

Finding the Fourth Proportional to 30,160.12, 45,179.74 and 14,380.46

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Solution

The fourth proportional to 30,160.12, 45,179.74 and 14,380.46 is: 21,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.12 : 45,179.74 = 14,380.46 : x
  2. Step 2: Convert to fraction form
    30,160.12/45,179.74 = 14,380.46/x
  3. Step 3: Cross multiply
    30,160.12x = 45,179.74 × 14,380.46
  4. Step 4: Simplify right side
    30,160.12x = 649,705,443.88
  5. Step 5: Solve for x
    x = 649,705,443.88/30,160.12
  6. Step 6: Final answer
    x = 21,541.87

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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.