Home / 56,072.03-77,379.17-30,578.33

Finding the Fourth Proportional to 56,072.03, 77,379.17 and 30,578.33

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Solution

The fourth proportional to 56,072.03, 77,379.17 and 30,578.33 is: 42,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,072.03 : 77,379.17 = 30,578.33 : x
  2. Step 2: Convert to fraction form
    56,072.03/77,379.17 = 30,578.33/x
  3. Step 3: Cross multiply
    56,072.03x = 77,379.17 × 30,578.33
  4. Step 4: Simplify right side
    56,072.03x = 2,366,125,572.69
  5. Step 5: Solve for x
    x = 2,366,125,572.69/56,072.03
  6. Step 6: Final answer
    x = 42,197.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.