Home / 45,919.13-68,903.19-19,617.82

Finding the Fourth Proportional to 45,919.13, 68,903.19 and 19,617.82

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Solution

The fourth proportional to 45,919.13, 68,903.19 and 19,617.82 is: 29,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,919.13 : 68,903.19 = 19,617.82 : x
  2. Step 2: Convert to fraction form
    45,919.13/68,903.19 = 19,617.82/x
  3. Step 3: Cross multiply
    45,919.13x = 68,903.19 × 19,617.82
  4. Step 4: Simplify right side
    45,919.13x = 1,351,730,206.59
  5. Step 5: Solve for x
    x = 1,351,730,206.59/45,919.13
  6. Step 6: Final answer
    x = 29,437.19

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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.