Home / 40,456.48-55,828.77-22,551.10

Finding the Fourth Proportional to 40,456.48, 55,828.77 and 22,551.10

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Solution

The fourth proportional to 40,456.48, 55,828.77 and 22,551.10 is: 31,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.48 : 55,828.77 = 22,551.10 : x
  2. Step 2: Convert to fraction form
    40,456.48/55,828.77 = 22,551.10/x
  3. Step 3: Cross multiply
    40,456.48x = 55,828.77 × 22,551.10
  4. Step 4: Simplify right side
    40,456.48x = 1,259,000,035.58
  5. Step 5: Solve for x
    x = 1,259,000,035.58/40,456.48
  6. Step 6: Final answer
    x = 31,119.86

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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.