Home / 39,881.32-59,765.51-22,119.77

Finding the Fourth Proportional to 39,881.32, 59,765.51 and 22,119.77

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Solution

The fourth proportional to 39,881.32, 59,765.51 and 22,119.77 is: 33,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881.32 : 59,765.51 = 22,119.77 : x
  2. Step 2: Convert to fraction form
    39,881.32/59,765.51 = 22,119.77/x
  3. Step 3: Cross multiply
    39,881.32x = 59,765.51 × 22,119.77
  4. Step 4: Simplify right side
    39,881.32x = 1,321,999,539.85
  5. Step 5: Solve for x
    x = 1,321,999,539.85/39,881.32
  6. Step 6: Final answer
    x = 33,148.34

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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.