Home / 40,936.05-61,406.91-15,967.80

Finding the Fourth Proportional to 40,936.05, 61,406.91 and 15,967.80

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Solution

The fourth proportional to 40,936.05, 61,406.91 and 15,967.80 is: 23,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,936.05 : 61,406.91 = 15,967.80 : x
  2. Step 2: Convert to fraction form
    40,936.05/61,406.91 = 15,967.80/x
  3. Step 3: Cross multiply
    40,936.05x = 61,406.91 × 15,967.80
  4. Step 4: Simplify right side
    40,936.05x = 980,533,257.50
  5. Step 5: Solve for x
    x = 980,533,257.50/40,936.05
  6. Step 6: Final answer
    x = 23,952.81

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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.