Home / 35,257.80-48,660.78-21,833.40

Finding the Fourth Proportional to 35,257.80, 48,660.78 and 21,833.40

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Solution

The fourth proportional to 35,257.80, 48,660.78 and 21,833.40 is: 30,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,257.80 : 48,660.78 = 21,833.40 : x
  2. Step 2: Convert to fraction form
    35,257.80/48,660.78 = 21,833.40/x
  3. Step 3: Cross multiply
    35,257.80x = 48,660.78 × 21,833.40
  4. Step 4: Simplify right side
    35,257.80x = 1,062,430,274.05
  5. Step 5: Solve for x
    x = 1,062,430,274.05/35,257.80
  6. Step 6: Final answer
    x = 30,133.20

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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.