Home / 54,741.20-82,092.60-28,437.20

Finding the Fourth Proportional to 54,741.20, 82,092.60 and 28,437.20

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Solution

The fourth proportional to 54,741.20, 82,092.60 and 28,437.20 is: 42,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.20 : 82,092.60 = 28,437.20 : x
  2. Step 2: Convert to fraction form
    54,741.20/82,092.60 = 28,437.20/x
  3. Step 3: Cross multiply
    54,741.20x = 82,092.60 × 28,437.20
  4. Step 4: Simplify right side
    54,741.20x = 2,334,483,684.72
  5. Step 5: Solve for x
    x = 2,334,483,684.72/54,741.20
  6. Step 6: Final answer
    x = 42,645.83

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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.