Home / 35,154.42-48,513.38-21,722.60

Finding the Fourth Proportional to 35,154.42, 48,513.38 and 21,722.60

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Solution

The fourth proportional to 35,154.42, 48,513.38 and 21,722.60 is: 29,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,154.42 : 48,513.38 = 21,722.60 : x
  2. Step 2: Convert to fraction form
    35,154.42/48,513.38 = 21,722.60/x
  3. Step 3: Cross multiply
    35,154.42x = 48,513.38 × 21,722.60
  4. Step 4: Simplify right side
    35,154.42x = 1,053,836,397.21
  5. Step 5: Solve for x
    x = 1,053,836,397.21/35,154.42
  6. Step 6: Final answer
    x = 29,977.35

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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.