Home / 48,028.60-71,999.70-30,489.40

Finding the Fourth Proportional to 48,028.60, 71,999.70 and 30,489.40

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Solution

The fourth proportional to 48,028.60, 71,999.70 and 30,489.40 is: 45,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,028.60 : 71,999.70 = 30,489.40 : x
  2. Step 2: Convert to fraction form
    48,028.60/71,999.70 = 30,489.40/x
  3. Step 3: Cross multiply
    48,028.60x = 71,999.70 × 30,489.40
  4. Step 4: Simplify right side
    48,028.60x = 2,195,227,653.18
  5. Step 5: Solve for x
    x = 2,195,227,653.18/48,028.60
  6. Step 6: Final answer
    x = 45,706.68

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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.