Home / 54,008.10-81,012.15-34,300.80

Finding the Fourth Proportional to 54,008.10, 81,012.15 and 34,300.80

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Solution

The fourth proportional to 54,008.10, 81,012.15 and 34,300.80 is: 51,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,008.10 : 81,012.15 = 34,300.80 : x
  2. Step 2: Convert to fraction form
    54,008.10/81,012.15 = 34,300.80/x
  3. Step 3: Cross multiply
    54,008.10x = 81,012.15 × 34,300.80
  4. Step 4: Simplify right side
    54,008.10x = 2,778,781,554.72
  5. Step 5: Solve for x
    x = 2,778,781,554.72/54,008.10
  6. Step 6: Final answer
    x = 51,451.20

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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.