Home / 40,001.48-55,105.53-34,240.56

Finding the Fourth Proportional to 40,001.48, 55,105.53 and 34,240.56

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Solution

The fourth proportional to 40,001.48, 55,105.53 and 34,240.56 is: 47,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001.48 : 55,105.53 = 34,240.56 : x
  2. Step 2: Convert to fraction form
    40,001.48/55,105.53 = 34,240.56/x
  3. Step 3: Cross multiply
    40,001.48x = 55,105.53 × 34,240.56
  4. Step 4: Simplify right side
    40,001.48x = 1,886,844,151.88
  5. Step 5: Solve for x
    x = 1,886,844,151.88/40,001.48
  6. Step 6: Final answer
    x = 47,169.36

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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.