Home / 39,965.44-59,941.33-13,308.40

Finding the Fourth Proportional to 39,965.44, 59,941.33 and 13,308.40

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Solution

The fourth proportional to 39,965.44, 59,941.33 and 13,308.40 is: 19,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.44 : 59,941.33 = 13,308.40 : x
  2. Step 2: Convert to fraction form
    39,965.44/59,941.33 = 13,308.40/x
  3. Step 3: Cross multiply
    39,965.44x = 59,941.33 × 13,308.40
  4. Step 4: Simplify right side
    39,965.44x = 797,722,829.92
  5. Step 5: Solve for x
    x = 797,722,829.92/39,965.44
  6. Step 6: Final answer
    x = 19,960.32

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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.