Home / 40,627.13-60,973.47-20,911.32

Finding the Fourth Proportional to 40,627.13, 60,973.47 and 20,911.32

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Solution

The fourth proportional to 40,627.13, 60,973.47 and 20,911.32 is: 31,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,627.13 : 60,973.47 = 20,911.32 : x
  2. Step 2: Convert to fraction form
    40,627.13/60,973.47 = 20,911.32/x
  3. Step 3: Cross multiply
    40,627.13x = 60,973.47 × 20,911.32
  4. Step 4: Simplify right side
    40,627.13x = 1,275,035,742.68
  5. Step 5: Solve for x
    x = 1,275,035,742.68/40,627.13
  6. Step 6: Final answer
    x = 31,383.85

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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.