Home / 54,074.03-81,111.05-20,346.39

Finding the Fourth Proportional to 54,074.03, 81,111.05 and 20,346.39

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Solution

The fourth proportional to 54,074.03, 81,111.05 and 20,346.39 is: 30,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,074.03 : 81,111.05 = 20,346.39 : x
  2. Step 2: Convert to fraction form
    54,074.03/81,111.05 = 20,346.39/x
  3. Step 3: Cross multiply
    54,074.03x = 81,111.05 × 20,346.39
  4. Step 4: Simplify right side
    54,074.03x = 1,650,316,973.95
  5. Step 5: Solve for x
    x = 1,650,316,973.95/54,074.03
  6. Step 6: Final answer
    x = 30,519.59

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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.