Home / 45,004.80-67,501.26-11,727.12

Finding the Fourth Proportional to 45,004.80, 67,501.26 and 11,727.12

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Solution

The fourth proportional to 45,004.80, 67,501.26 and 11,727.12 is: 17,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,004.80 : 67,501.26 = 11,727.12 : x
  2. Step 2: Convert to fraction form
    45,004.80/67,501.26 = 11,727.12/x
  3. Step 3: Cross multiply
    45,004.80x = 67,501.26 × 11,727.12
  4. Step 4: Simplify right side
    45,004.80x = 791,595,376.17
  5. Step 5: Solve for x
    x = 791,595,376.17/45,004.80
  6. Step 6: Final answer
    x = 17,589.13

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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.