Home / 55,513.36-76,536.12-40,408.48

Finding the Fourth Proportional to 55,513.36, 76,536.12 and 40,408.48

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Solution

The fourth proportional to 55,513.36, 76,536.12 and 40,408.48 is: 55,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513.36 : 76,536.12 = 40,408.48 : x
  2. Step 2: Convert to fraction form
    55,513.36/76,536.12 = 40,408.48/x
  3. Step 3: Cross multiply
    55,513.36x = 76,536.12 × 40,408.48
  4. Step 4: Simplify right side
    55,513.36x = 3,092,708,274.30
  5. Step 5: Solve for x
    x = 3,092,708,274.30/55,513.36
  6. Step 6: Final answer
    x = 55,711.06

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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.