Home / 55,261.69-76,261.14-30,111.19

Finding the Fourth Proportional to 55,261.69, 76,261.14 and 30,111.19

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Solution

The fourth proportional to 55,261.69, 76,261.14 and 30,111.19 is: 41,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,261.69 : 76,261.14 = 30,111.19 : x
  2. Step 2: Convert to fraction form
    55,261.69/76,261.14 = 30,111.19/x
  3. Step 3: Cross multiply
    55,261.69x = 76,261.14 × 30,111.19
  4. Step 4: Simplify right side
    55,261.69x = 2,296,313,485.50
  5. Step 5: Solve for x
    x = 2,296,313,485.50/55,261.69
  6. Step 6: Final answer
    x = 41,553.44

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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.