Home / 40,935.92-61,403.90-11,361.20

Finding the Fourth Proportional to 40,935.92, 61,403.90 and 11,361.20

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Solution

The fourth proportional to 40,935.92, 61,403.90 and 11,361.20 is: 17,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,935.92 : 61,403.90 = 11,361.20 : x
  2. Step 2: Convert to fraction form
    40,935.92/61,403.90 = 11,361.20/x
  3. Step 3: Cross multiply
    40,935.92x = 61,403.90 × 11,361.20
  4. Step 4: Simplify right side
    40,935.92x = 697,621,988.68
  5. Step 5: Solve for x
    x = 697,621,988.68/40,935.92
  6. Step 6: Final answer
    x = 17,041.81

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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.