Home / 54,779.88-75,596.22-30,906.34

Finding the Fourth Proportional to 54,779.88, 75,596.22 and 30,906.34

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Solution

The fourth proportional to 54,779.88, 75,596.22 and 30,906.34 is: 42,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,779.88 : 75,596.22 = 30,906.34 : x
  2. Step 2: Convert to fraction form
    54,779.88/75,596.22 = 30,906.34/x
  3. Step 3: Cross multiply
    54,779.88x = 75,596.22 × 30,906.34
  4. Step 4: Simplify right side
    54,779.88x = 2,336,402,478.03
  5. Step 5: Solve for x
    x = 2,336,402,478.03/54,779.88
  6. Step 6: Final answer
    x = 42,650.74

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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.