Home / 39,842.81-59,742.09-18,472.17

Finding the Fourth Proportional to 39,842.81, 59,742.09 and 18,472.17

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Solution

The fourth proportional to 39,842.81, 59,742.09 and 18,472.17 is: 27,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,842.81 : 59,742.09 = 18,472.17 : x
  2. Step 2: Convert to fraction form
    39,842.81/59,742.09 = 18,472.17/x
  3. Step 3: Cross multiply
    39,842.81x = 59,742.09 × 18,472.17
  4. Step 4: Simplify right side
    39,842.81x = 1,103,566,042.64
  5. Step 5: Solve for x
    x = 1,103,566,042.64/39,842.81
  6. Step 6: Final answer
    x = 27,698.00

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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.