Home / 40,388.83-60,595.60-20,681.33

Finding the Fourth Proportional to 40,388.83, 60,595.60 and 20,681.33

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Solution

The fourth proportional to 40,388.83, 60,595.60 and 20,681.33 is: 31,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.83 : 60,595.60 = 20,681.33 : x
  2. Step 2: Convert to fraction form
    40,388.83/60,595.60 = 20,681.33/x
  3. Step 3: Cross multiply
    40,388.83x = 60,595.60 × 20,681.33
  4. Step 4: Simplify right side
    40,388.83x = 1,253,197,600.15
  5. Step 5: Solve for x
    x = 1,253,197,600.15/40,388.83
  6. Step 6: Final answer
    x = 31,028.32

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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.