Home / 54,093.12-74,649.12-30,220.80

Finding the Fourth Proportional to 54,093.12, 74,649.12 and 30,220.80

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Solution

The fourth proportional to 54,093.12, 74,649.12 and 30,220.80 is: 41,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,093.12 : 74,649.12 = 30,220.80 : x
  2. Step 2: Convert to fraction form
    54,093.12/74,649.12 = 30,220.80/x
  3. Step 3: Cross multiply
    54,093.12x = 74,649.12 × 30,220.80
  4. Step 4: Simplify right side
    54,093.12x = 2,255,956,125.70
  5. Step 5: Solve for x
    x = 2,255,956,125.70/54,093.12
  6. Step 6: Final answer
    x = 41,705.05

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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.