Home / 40,272.30-55,575.45-22,368.60

Finding the Fourth Proportional to 40,272.30, 55,575.45 and 22,368.60

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Solution

The fourth proportional to 40,272.30, 55,575.45 and 22,368.60 is: 30,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.30 : 55,575.45 = 22,368.60 : x
  2. Step 2: Convert to fraction form
    40,272.30/55,575.45 = 22,368.60/x
  3. Step 3: Cross multiply
    40,272.30x = 55,575.45 × 22,368.60
  4. Step 4: Simplify right side
    40,272.30x = 1,243,145,010.87
  5. Step 5: Solve for x
    x = 1,243,145,010.87/40,272.30
  6. Step 6: Final answer
    x = 30,868.49

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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.