Home / 39,202.31-58,810.76-18,425.81

Finding the Fourth Proportional to 39,202.31, 58,810.76 and 18,425.81

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Solution

The fourth proportional to 39,202.31, 58,810.76 and 18,425.81 is: 27,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.31 : 58,810.76 = 18,425.81 : x
  2. Step 2: Convert to fraction form
    39,202.31/58,810.76 = 18,425.81/x
  3. Step 3: Cross multiply
    39,202.31x = 58,810.76 × 18,425.81
  4. Step 4: Simplify right side
    39,202.31x = 1,083,636,013.71
  5. Step 5: Solve for x
    x = 1,083,636,013.71/39,202.31
  6. Step 6: Final answer
    x = 27,642.15

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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.