Home / 45,015.04-67,530.24-13,849.60

Finding the Fourth Proportional to 45,015.04, 67,530.24 and 13,849.60

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Solution

The fourth proportional to 45,015.04, 67,530.24 and 13,849.60 is: 20,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,015.04 : 67,530.24 = 13,849.60 : x
  2. Step 2: Convert to fraction form
    45,015.04/67,530.24 = 13,849.60/x
  3. Step 3: Cross multiply
    45,015.04x = 67,530.24 × 13,849.60
  4. Step 4: Simplify right side
    45,015.04x = 935,266,811.90
  5. Step 5: Solve for x
    x = 935,266,811.90/45,015.04
  6. Step 6: Final answer
    x = 20,776.76

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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.