Home / 57,115.69-85,671.40-14,995.38

Finding the Fourth Proportional to 57,115.69, 85,671.40 and 14,995.38

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Solution

The fourth proportional to 57,115.69, 85,671.40 and 14,995.38 is: 22,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,115.69 : 85,671.40 = 14,995.38 : x
  2. Step 2: Convert to fraction form
    57,115.69/85,671.40 = 14,995.38/x
  3. Step 3: Cross multiply
    57,115.69x = 85,671.40 × 14,995.38
  4. Step 4: Simplify right side
    57,115.69x = 1,284,675,198.13
  5. Step 5: Solve for x
    x = 1,284,675,198.13/57,115.69
  6. Step 6: Final answer
    x = 22,492.51

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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.