Home / 30,072.75-41,500.40-17,505.87

Finding the Fourth Proportional to 30,072.75, 41,500.40 and 17,505.87

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Solution

The fourth proportional to 30,072.75, 41,500.40 and 17,505.87 is: 24,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.75 : 41,500.40 = 17,505.87 : x
  2. Step 2: Convert to fraction form
    30,072.75/41,500.40 = 17,505.87/x
  3. Step 3: Cross multiply
    30,072.75x = 41,500.40 × 17,505.87
  4. Step 4: Simplify right side
    30,072.75x = 726,500,519.82
  5. Step 5: Solve for x
    x = 726,500,519.82/30,072.75
  6. Step 6: Final answer
    x = 24,158.10

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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.