Home / 43,323.28-64,987.22-13,743.39

Finding the Fourth Proportional to 43,323.28, 64,987.22 and 13,743.39

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Solution

The fourth proportional to 43,323.28, 64,987.22 and 13,743.39 is: 20,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,323.28 : 64,987.22 = 13,743.39 : x
  2. Step 2: Convert to fraction form
    43,323.28/64,987.22 = 13,743.39/x
  3. Step 3: Cross multiply
    43,323.28x = 64,987.22 × 13,743.39
  4. Step 4: Simplify right side
    43,323.28x = 893,144,640.76
  5. Step 5: Solve for x
    x = 893,144,640.76/43,323.28
  6. Step 6: Final answer
    x = 20,615.81

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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.