Home / 45,716.76-68,538.76-30,019.52

Finding the Fourth Proportional to 45,716.76, 68,538.76 and 30,019.52

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Solution

The fourth proportional to 45,716.76, 68,538.76 and 30,019.52 is: 45,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,716.76 : 68,538.76 = 30,019.52 : x
  2. Step 2: Convert to fraction form
    45,716.76/68,538.76 = 30,019.52/x
  3. Step 3: Cross multiply
    45,716.76x = 68,538.76 × 30,019.52
  4. Step 4: Simplify right side
    45,716.76x = 2,057,500,676.60
  5. Step 5: Solve for x
    x = 2,057,500,676.60/45,716.76
  6. Step 6: Final answer
    x = 45,005.39

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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.