Home / 40,300.54-55,614.80-22,395.08

Finding the Fourth Proportional to 40,300.54, 55,614.80 and 22,395.08

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Solution

The fourth proportional to 40,300.54, 55,614.80 and 22,395.08 is: 30,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,300.54 : 55,614.80 = 22,395.08 : x
  2. Step 2: Convert to fraction form
    40,300.54/55,614.80 = 22,395.08/x
  3. Step 3: Cross multiply
    40,300.54x = 55,614.80 × 22,395.08
  4. Step 4: Simplify right side
    40,300.54x = 1,245,498,090.21
  5. Step 5: Solve for x
    x = 1,245,498,090.21/40,300.54
  6. Step 6: Final answer
    x = 30,905.25

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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.