Home / 55,401.27-76,444.85-31,528.35

Finding the Fourth Proportional to 55,401.27, 76,444.85 and 31,528.35

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Solution

The fourth proportional to 55,401.27, 76,444.85 and 31,528.35 is: 43,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,401.27 : 76,444.85 = 31,528.35 : x
  2. Step 2: Convert to fraction form
    55,401.27/76,444.85 = 31,528.35/x
  3. Step 3: Cross multiply
    55,401.27x = 76,444.85 × 31,528.35
  4. Step 4: Simplify right side
    55,401.27x = 2,410,179,604.27
  5. Step 5: Solve for x
    x = 2,410,179,604.27/55,401.27
  6. Step 6: Final answer
    x = 43,504.05

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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.