Home / 34,799.86-48,028.96-20,459.08

Finding the Fourth Proportional to 34,799.86, 48,028.96 and 20,459.08

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Solution

The fourth proportional to 34,799.86, 48,028.96 and 20,459.08 is: 28,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,799.86 : 48,028.96 = 20,459.08 : x
  2. Step 2: Convert to fraction form
    34,799.86/48,028.96 = 20,459.08/x
  3. Step 3: Cross multiply
    34,799.86x = 48,028.96 × 20,459.08
  4. Step 4: Simplify right side
    34,799.86x = 982,628,334.96
  5. Step 5: Solve for x
    x = 982,628,334.96/34,799.86
  6. Step 6: Final answer
    x = 28,236.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.