Home / 45,074.95-67,559.34-18,404.29

Finding the Fourth Proportional to 45,074.95, 67,559.34 and 18,404.29

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Solution

The fourth proportional to 45,074.95, 67,559.34 and 18,404.29 is: 27,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,074.95 : 67,559.34 = 18,404.29 : x
  2. Step 2: Convert to fraction form
    45,074.95/67,559.34 = 18,404.29/x
  3. Step 3: Cross multiply
    45,074.95x = 67,559.34 × 18,404.29
  4. Step 4: Simplify right side
    45,074.95x = 1,243,381,685.57
  5. Step 5: Solve for x
    x = 1,243,381,685.57/45,074.95
  6. Step 6: Final answer
    x = 27,584.76

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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.