Home / 40,299.12-55,612.58-22,150.26

Finding the Fourth Proportional to 40,299.12, 55,612.58 and 22,150.26

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Solution

The fourth proportional to 40,299.12, 55,612.58 and 22,150.26 is: 30,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.12 : 55,612.58 = 22,150.26 : x
  2. Step 2: Convert to fraction form
    40,299.12/55,612.58 = 22,150.26/x
  3. Step 3: Cross multiply
    40,299.12x = 55,612.58 × 22,150.26
  4. Step 4: Simplify right side
    40,299.12x = 1,231,832,995.52
  5. Step 5: Solve for x
    x = 1,231,832,995.52/40,299.12
  6. Step 6: Final answer
    x = 30,567.24

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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.