Home / 54,709.04-82,040.33-21,423.81

Finding the Fourth Proportional to 54,709.04, 82,040.33 and 21,423.81

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Solution

The fourth proportional to 54,709.04, 82,040.33 and 21,423.81 is: 32,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,709.04 : 82,040.33 = 21,423.81 : x
  2. Step 2: Convert to fraction form
    54,709.04/82,040.33 = 21,423.81/x
  3. Step 3: Cross multiply
    54,709.04x = 82,040.33 × 21,423.81
  4. Step 4: Simplify right side
    54,709.04x = 1,757,616,803.47
  5. Step 5: Solve for x
    x = 1,757,616,803.47/54,709.04
  6. Step 6: Final answer
    x = 32,126.62

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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.