Home / 55,248.30-82,872.45-20,183.40

Finding the Fourth Proportional to 55,248.30, 82,872.45 and 20,183.40

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Solution

The fourth proportional to 55,248.30, 82,872.45 and 20,183.40 is: 30,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248.30 : 82,872.45 = 20,183.40 : x
  2. Step 2: Convert to fraction form
    55,248.30/82,872.45 = 20,183.40/x
  3. Step 3: Cross multiply
    55,248.30x = 82,872.45 × 20,183.40
  4. Step 4: Simplify right side
    55,248.30x = 1,672,647,807.33
  5. Step 5: Solve for x
    x = 1,672,647,807.33/55,248.30
  6. Step 6: Final answer
    x = 30,275.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.