Home / 55,261.92-76,262.16-30,111.36

Finding the Fourth Proportional to 55,261.92, 76,262.16 and 30,111.36

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Solution

The fourth proportional to 55,261.92, 76,262.16 and 30,111.36 is: 41,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,261.92 : 76,262.16 = 30,111.36 : x
  2. Step 2: Convert to fraction form
    55,261.92/76,262.16 = 30,111.36/x
  3. Step 3: Cross multiply
    55,261.92x = 76,262.16 × 30,111.36
  4. Step 4: Simplify right side
    55,261.92x = 2,296,357,354.14
  5. Step 5: Solve for x
    x = 2,296,357,354.14/55,261.92
  6. Step 6: Final answer
    x = 41,554.06

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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.