Home / 56,091.26-77,404.70-30,940.76

Finding the Fourth Proportional to 56,091.26, 77,404.70 and 30,940.76

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Solution

The fourth proportional to 56,091.26, 77,404.70 and 30,940.76 is: 42,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,091.26 : 77,404.70 = 30,940.76 : x
  2. Step 2: Convert to fraction form
    56,091.26/77,404.70 = 30,940.76/x
  3. Step 3: Cross multiply
    56,091.26x = 77,404.70 × 30,940.76
  4. Step 4: Simplify right side
    56,091.26x = 2,394,959,703.84
  5. Step 5: Solve for x
    x = 2,394,959,703.84/56,091.26
  6. Step 6: Final answer
    x = 42,697.56

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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.