Home / 45,016.94-67,519.92-18,718.26

Finding the Fourth Proportional to 45,016.94, 67,519.92 and 18,718.26

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Solution

The fourth proportional to 45,016.94, 67,519.92 and 18,718.26 is: 28,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,016.94 : 67,519.92 = 18,718.26 : x
  2. Step 2: Convert to fraction form
    45,016.94/67,519.92 = 18,718.26/x
  3. Step 3: Cross multiply
    45,016.94x = 67,519.92 × 18,718.26
  4. Step 4: Simplify right side
    45,016.94x = 1,263,855,417.74
  5. Step 5: Solve for x
    x = 1,263,855,417.74/45,016.94
  6. Step 6: Final answer
    x = 28,075.11

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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.