Home / 54,005.10-80,898.30-30,604.20

Finding the Fourth Proportional to 54,005.10, 80,898.30 and 30,604.20

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Solution

The fourth proportional to 54,005.10, 80,898.30 and 30,604.20 is: 45,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,005.10 : 80,898.30 = 30,604.20 : x
  2. Step 2: Convert to fraction form
    54,005.10/80,898.30 = 30,604.20/x
  3. Step 3: Cross multiply
    54,005.10x = 80,898.30 × 30,604.20
  4. Step 4: Simplify right side
    54,005.10x = 2,475,827,752.86
  5. Step 5: Solve for x
    x = 2,475,827,752.86/54,005.10
  6. Step 6: Final answer
    x = 45,844.33

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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.