Home / 52,451.36-78,745.63-31,142.97

Finding the Fourth Proportional to 52,451.36, 78,745.63 and 31,142.97

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Solution

The fourth proportional to 52,451.36, 78,745.63 and 31,142.97 is: 46,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.36 : 78,745.63 = 31,142.97 : x
  2. Step 2: Convert to fraction form
    52,451.36/78,745.63 = 31,142.97/x
  3. Step 3: Cross multiply
    52,451.36x = 78,745.63 × 31,142.97
  4. Step 4: Simplify right side
    52,451.36x = 2,452,372,243.28
  5. Step 5: Solve for x
    x = 2,452,372,243.28/52,451.36
  6. Step 6: Final answer
    x = 46,755.17

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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.