Home / 40,156.90-55,416.99-22,252.12

Finding the Fourth Proportional to 40,156.90, 55,416.99 and 22,252.12

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Solution

The fourth proportional to 40,156.90, 55,416.99 and 22,252.12 is: 30,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.90 : 55,416.99 = 22,252.12 : x
  2. Step 2: Convert to fraction form
    40,156.90/55,416.99 = 22,252.12/x
  3. Step 3: Cross multiply
    40,156.90x = 55,416.99 × 22,252.12
  4. Step 4: Simplify right side
    40,156.90x = 1,233,145,511.52
  5. Step 5: Solve for x
    x = 1,233,145,511.52/40,156.90
  6. Step 6: Final answer
    x = 30,708.18

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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.