Home / 40,398.48-55,748.66-22,493.09

Finding the Fourth Proportional to 40,398.48, 55,748.66 and 22,493.09

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Solution

The fourth proportional to 40,398.48, 55,748.66 and 22,493.09 is: 31,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398.48 : 55,748.66 = 22,493.09 : x
  2. Step 2: Convert to fraction form
    40,398.48/55,748.66 = 22,493.09/x
  3. Step 3: Cross multiply
    40,398.48x = 55,748.66 × 22,493.09
  4. Step 4: Simplify right side
    40,398.48x = 1,253,959,653.67
  5. Step 5: Solve for x
    x = 1,253,959,653.67/40,398.48
  6. Step 6: Final answer
    x = 31,039.77

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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.