Home / 55,325.71-76,349.12-31,452.39

Finding the Fourth Proportional to 55,325.71, 76,349.12 and 31,452.39

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Solution

The fourth proportional to 55,325.71, 76,349.12 and 31,452.39 is: 43,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,325.71 : 76,349.12 = 31,452.39 : x
  2. Step 2: Convert to fraction form
    55,325.71/76,349.12 = 31,452.39/x
  3. Step 3: Cross multiply
    55,325.71x = 76,349.12 × 31,452.39
  4. Step 4: Simplify right side
    55,325.71x = 2,401,362,298.40
  5. Step 5: Solve for x
    x = 2,401,362,298.40/55,325.71
  6. Step 6: Final answer
    x = 43,404.09

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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.