Home / 38,071.14-57,105.30-9,990.94

Finding the Fourth Proportional to 38,071.14, 57,105.30 and 9,990.94

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Solution

The fourth proportional to 38,071.14, 57,105.30 and 9,990.94 is: 14,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.14 : 57,105.30 = 9,990.94 : x
  2. Step 2: Convert to fraction form
    38,071.14/57,105.30 = 9,990.94/x
  3. Step 3: Cross multiply
    38,071.14x = 57,105.30 × 9,990.94
  4. Step 4: Simplify right side
    38,071.14x = 570,535,625.98
  5. Step 5: Solve for x
    x = 570,535,625.98/38,071.14
  6. Step 6: Final answer
    x = 14,986.04

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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.