Home / 56,035.28-77,327.58-30,884.78

Finding the Fourth Proportional to 56,035.28, 77,327.58 and 30,884.78

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Solution

The fourth proportional to 56,035.28, 77,327.58 and 30,884.78 is: 42,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,035.28 : 77,327.58 = 30,884.78 : x
  2. Step 2: Convert to fraction form
    56,035.28/77,327.58 = 30,884.78/x
  3. Step 3: Cross multiply
    56,035.28x = 77,327.58 × 30,884.78
  4. Step 4: Simplify right side
    56,035.28x = 2,388,245,296.23
  5. Step 5: Solve for x
    x = 2,388,245,296.23/56,035.28
  6. Step 6: Final answer
    x = 42,620.39

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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.