Home / 45,610.68-68,403.06-28,945.56

Finding the Fourth Proportional to 45,610.68, 68,403.06 and 28,945.56

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Solution

The fourth proportional to 45,610.68, 68,403.06 and 28,945.56 is: 43,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,610.68 : 68,403.06 = 28,945.56 : x
  2. Step 2: Convert to fraction form
    45,610.68/68,403.06 = 28,945.56/x
  3. Step 3: Cross multiply
    45,610.68x = 68,403.06 × 28,945.56
  4. Step 4: Simplify right side
    45,610.68x = 1,979,964,877.41
  5. Step 5: Solve for x
    x = 1,979,964,877.41/45,610.68
  6. Step 6: Final answer
    x = 43,410.12

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1.5x scale

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.