Home / 55,605.13-76,735.43-30,111.49

Finding the Fourth Proportional to 55,605.13, 76,735.43 and 30,111.49

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Solution

The fourth proportional to 55,605.13, 76,735.43 and 30,111.49 is: 41,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605.13 : 76,735.43 = 30,111.49 : x
  2. Step 2: Convert to fraction form
    55,605.13/76,735.43 = 30,111.49/x
  3. Step 3: Cross multiply
    55,605.13x = 76,735.43 × 30,111.49
  4. Step 4: Simplify right side
    55,605.13x = 2,310,618,216.87
  5. Step 5: Solve for x
    x = 2,310,618,216.87/55,605.13
  6. Step 6: Final answer
    x = 41,554.05

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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.