Home / 55,031.92-75,944.36-29,881.42

Finding the Fourth Proportional to 55,031.92, 75,944.36 and 29,881.42

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Solution

The fourth proportional to 55,031.92, 75,944.36 and 29,881.42 is: 41,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.92 : 75,944.36 = 29,881.42 : x
  2. Step 2: Convert to fraction form
    55,031.92/75,944.36 = 29,881.42/x
  3. Step 3: Cross multiply
    55,031.92x = 75,944.36 × 29,881.42
  4. Step 4: Simplify right side
    55,031.92x = 2,269,325,317.79
  5. Step 5: Solve for x
    x = 2,269,325,317.79/55,031.92
  6. Step 6: Final answer
    x = 41,236.53

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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.