Home / 39,317.38-58,961.48-21,302.03

Finding the Fourth Proportional to 39,317.38, 58,961.48 and 21,302.03

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Solution

The fourth proportional to 39,317.38, 58,961.48 and 21,302.03 is: 31,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,317.38 : 58,961.48 = 21,302.03 : x
  2. Step 2: Convert to fraction form
    39,317.38/58,961.48 = 21,302.03/x
  3. Step 3: Cross multiply
    39,317.38x = 58,961.48 × 21,302.03
  4. Step 4: Simplify right side
    39,317.38x = 1,255,999,256.70
  5. Step 5: Solve for x
    x = 1,255,999,256.70/39,317.38
  6. Step 6: Final answer
    x = 31,945.14

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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.