Home / 40,165.90-55,427.52-22,262.58

Finding the Fourth Proportional to 40,165.90, 55,427.52 and 22,262.58

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Solution

The fourth proportional to 40,165.90, 55,427.52 and 22,262.58 is: 30,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.90 : 55,427.52 = 22,262.58 : x
  2. Step 2: Convert to fraction form
    40,165.90/55,427.52 = 22,262.58/x
  3. Step 3: Cross multiply
    40,165.90x = 55,427.52 × 22,262.58
  4. Step 4: Simplify right side
    40,165.90x = 1,233,959,598.20
  5. Step 5: Solve for x
    x = 1,233,959,598.20/40,165.90
  6. Step 6: Final answer
    x = 30,721.57

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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.