Home / 40,225.21-55,504.64-22,320.36

Finding the Fourth Proportional to 40,225.21, 55,504.64 and 22,320.36

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Solution

The fourth proportional to 40,225.21, 55,504.64 and 22,320.36 is: 30,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.21 : 55,504.64 = 22,320.36 : x
  2. Step 2: Convert to fraction form
    40,225.21/55,504.64 = 22,320.36/x
  3. Step 3: Cross multiply
    40,225.21x = 55,504.64 × 22,320.36
  4. Step 4: Simplify right side
    40,225.21x = 1,238,883,602.27
  5. Step 5: Solve for x
    x = 1,238,883,602.27/40,225.21
  6. Step 6: Final answer
    x = 30,798.69

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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.