Home / 56,014.26-77,296.05-30,863.76

Finding the Fourth Proportional to 56,014.26, 77,296.05 and 30,863.76

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Solution

The fourth proportional to 56,014.26, 77,296.05 and 30,863.76 is: 42,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,014.26 : 77,296.05 = 30,863.76 : x
  2. Step 2: Convert to fraction form
    56,014.26/77,296.05 = 30,863.76/x
  3. Step 3: Cross multiply
    56,014.26x = 77,296.05 × 30,863.76
  4. Step 4: Simplify right side
    56,014.26x = 2,385,646,736.15
  5. Step 5: Solve for x
    x = 2,385,646,736.15/56,014.26
  6. Step 6: Final answer
    x = 42,589.99

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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.