Home / 54,003.10-80,895.30-30,602.20

Finding the Fourth Proportional to 54,003.10, 80,895.30 and 30,602.20

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Solution

The fourth proportional to 54,003.10, 80,895.30 and 30,602.20 is: 45,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,003.10 : 80,895.30 = 30,602.20 : x
  2. Step 2: Convert to fraction form
    54,003.10/80,895.30 = 30,602.20/x
  3. Step 3: Cross multiply
    54,003.10x = 80,895.30 × 30,602.20
  4. Step 4: Simplify right side
    54,003.10x = 2,475,574,149.66
  5. Step 5: Solve for x
    x = 2,475,574,149.66/54,003.10
  6. Step 6: Final answer
    x = 45,841.33

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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.