Home / 40,964.81-61,444.47-11,381.99

Finding the Fourth Proportional to 40,964.81, 61,444.47 and 11,381.99

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Solution

The fourth proportional to 40,964.81, 61,444.47 and 11,381.99 is: 17,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,964.81 : 61,444.47 = 11,381.99 : x
  2. Step 2: Convert to fraction form
    40,964.81/61,444.47 = 11,381.99/x
  3. Step 3: Cross multiply
    40,964.81x = 61,444.47 × 11,381.99
  4. Step 4: Simplify right side
    40,964.81x = 699,360,343.10
  5. Step 5: Solve for x
    x = 699,360,343.10/40,964.81
  6. Step 6: Final answer
    x = 17,072.22

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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.