Home / 45,015.08-67,519.38-19,717.16

Finding the Fourth Proportional to 45,015.08, 67,519.38 and 19,717.16

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Solution

The fourth proportional to 45,015.08, 67,519.38 and 19,717.16 is: 29,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,015.08 : 67,519.38 = 19,717.16 : x
  2. Step 2: Convert to fraction form
    45,015.08/67,519.38 = 19,717.16/x
  3. Step 3: Cross multiply
    45,015.08x = 67,519.38 × 19,717.16
  4. Step 4: Simplify right side
    45,015.08x = 1,331,290,418.56
  5. Step 5: Solve for x
    x = 1,331,290,418.56/45,015.08
  6. Step 6: Final answer
    x = 29,574.32

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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.