Home / 30,158.43-41,618.60-16,731.72

Finding the Fourth Proportional to 30,158.43, 41,618.60 and 16,731.72

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Solution

The fourth proportional to 30,158.43, 41,618.60 and 16,731.72 is: 23,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.43 : 41,618.60 = 16,731.72 : x
  2. Step 2: Convert to fraction form
    30,158.43/41,618.60 = 16,731.72/x
  3. Step 3: Cross multiply
    30,158.43x = 41,618.60 × 16,731.72
  4. Step 4: Simplify right side
    30,158.43x = 696,350,678.33
  5. Step 5: Solve for x
    x = 696,350,678.33/30,158.43
  6. Step 6: Final answer
    x = 23,089.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.