Home / 39,326.56-58,969.78-13,021.81

Finding the Fourth Proportional to 39,326.56, 58,969.78 and 13,021.81

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Solution

The fourth proportional to 39,326.56, 58,969.78 and 13,021.81 is: 19,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,326.56 : 58,969.78 = 13,021.81 : x
  2. Step 2: Convert to fraction form
    39,326.56/58,969.78 = 13,021.81/x
  3. Step 3: Cross multiply
    39,326.56x = 58,969.78 × 13,021.81
  4. Step 4: Simplify right side
    39,326.56x = 767,893,270.90
  5. Step 5: Solve for x
    x = 767,893,270.90/39,326.56
  6. Step 6: Final answer
    x = 19,526.07

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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.