Home / 45,864.93-68,790-12,577.26

Finding the Fourth Proportional to 45,864.93, 68,790 and 12,577.26

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Solution

The fourth proportional to 45,864.93, 68,790 and 12,577.26 is: 18,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,864.93 : 68,790 = 12,577.26 : x
  2. Step 2: Convert to fraction form
    45,864.93/68,790 = 12,577.26/x
  3. Step 3: Cross multiply
    45,864.93x = 68,790 × 12,577.26
  4. Step 4: Simplify right side
    45,864.93x = 865,189,715.40
  5. Step 5: Solve for x
    x = 865,189,715.40/45,864.93
  6. Step 6: Final answer
    x = 18,863.86

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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.