Home / 38,486.34-57,689.42-18,737.73

Finding the Fourth Proportional to 38,486.34, 57,689.42 and 18,737.73

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Solution

The fourth proportional to 38,486.34, 57,689.42 and 18,737.73 is: 28,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486.34 : 57,689.42 = 18,737.73 : x
  2. Step 2: Convert to fraction form
    38,486.34/57,689.42 = 18,737.73/x
  3. Step 3: Cross multiply
    38,486.34x = 57,689.42 × 18,737.73
  4. Step 4: Simplify right side
    38,486.34x = 1,080,968,682.13
  5. Step 5: Solve for x
    x = 1,080,968,682.13/38,486.34
  6. Step 6: Final answer
    x = 28,087.07

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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.