Home / 55,263.36-76,264.92-30,114.48

Finding the Fourth Proportional to 55,263.36, 76,264.92 and 30,114.48

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Solution

The fourth proportional to 55,263.36, 76,264.92 and 30,114.48 is: 41,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,263.36 : 76,264.92 = 30,114.48 : x
  2. Step 2: Convert to fraction form
    55,263.36/76,264.92 = 30,114.48/x
  3. Step 3: Cross multiply
    55,263.36x = 76,264.92 × 30,114.48
  4. Step 4: Simplify right side
    55,263.36x = 2,296,678,408.04
  5. Step 5: Solve for x
    x = 2,296,678,408.04/55,263.36
  6. Step 6: Final answer
    x = 41,558.79

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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.