Home / 40,351.10-55,680.21-22,443.23

Finding the Fourth Proportional to 40,351.10, 55,680.21 and 22,443.23

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Solution

The fourth proportional to 40,351.10, 55,680.21 and 22,443.23 is: 30,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,351.10 : 55,680.21 = 22,443.23 : x
  2. Step 2: Convert to fraction form
    40,351.10/55,680.21 = 22,443.23/x
  3. Step 3: Cross multiply
    40,351.10x = 55,680.21 × 22,443.23
  4. Step 4: Simplify right side
    40,351.10x = 1,249,643,759.48
  5. Step 5: Solve for x
    x = 1,249,643,759.48/40,351.10
  6. Step 6: Final answer
    x = 30,969.26

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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.