Home / 40,400.28-55,754.28-23,405.28

Finding the Fourth Proportional to 40,400.28, 55,754.28 and 23,405.28

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Solution

The fourth proportional to 40,400.28, 55,754.28 and 23,405.28 is: 32,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.28 : 55,754.28 = 23,405.28 : x
  2. Step 2: Convert to fraction form
    40,400.28/55,754.28 = 23,405.28/x
  3. Step 3: Cross multiply
    40,400.28x = 55,754.28 × 23,405.28
  4. Step 4: Simplify right side
    40,400.28x = 1,304,944,534.60
  5. Step 5: Solve for x
    x = 1,304,944,534.60/40,400.28
  6. Step 6: Final answer
    x = 32,300.38

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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.