Home / 45,161.06-67,723.05-13,560.08

Finding the Fourth Proportional to 45,161.06, 67,723.05 and 13,560.08

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Solution

The fourth proportional to 45,161.06, 67,723.05 and 13,560.08 is: 20,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,161.06 : 67,723.05 = 13,560.08 : x
  2. Step 2: Convert to fraction form
    45,161.06/67,723.05 = 13,560.08/x
  3. Step 3: Cross multiply
    45,161.06x = 67,723.05 × 13,560.08
  4. Step 4: Simplify right side
    45,161.06x = 918,329,975.84
  5. Step 5: Solve for x
    x = 918,329,975.84/45,161.06
  6. Step 6: Final answer
    x = 20,334.55

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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.