Home / 40,491.34-55,878.14-22,587.50

Finding the Fourth Proportional to 40,491.34, 55,878.14 and 22,587.50

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Solution

The fourth proportional to 40,491.34, 55,878.14 and 22,587.50 is: 31,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491.34 : 55,878.14 = 22,587.50 : x
  2. Step 2: Convert to fraction form
    40,491.34/55,878.14 = 22,587.50/x
  3. Step 3: Cross multiply
    40,491.34x = 55,878.14 × 22,587.50
  4. Step 4: Simplify right side
    40,491.34x = 1,262,147,487.25
  5. Step 5: Solve for x
    x = 1,262,147,487.25/40,491.34
  6. Step 6: Final answer
    x = 31,170.80

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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.