Home / 40,434-55,801.20-22,528.36

Finding the Fourth Proportional to 40,434, 55,801.20 and 22,528.36

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Solution

The fourth proportional to 40,434, 55,801.20 and 22,528.36 is: 31,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,434 : 55,801.20 = 22,528.36 : x
  2. Step 2: Convert to fraction form
    40,434/55,801.20 = 22,528.36/x
  3. Step 3: Cross multiply
    40,434x = 55,801.20 × 22,528.36
  4. Step 4: Simplify right side
    40,434x = 1,257,109,522.03
  5. Step 5: Solve for x
    x = 1,257,109,522.03/40,434
  6. Step 6: Final answer
    x = 31,090.41

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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.