Home / 56,037.25-77,333.03-30,888.37

Finding the Fourth Proportional to 56,037.25, 77,333.03 and 30,888.37

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Solution

The fourth proportional to 56,037.25, 77,333.03 and 30,888.37 is: 42,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,037.25 : 77,333.03 = 30,888.37 : x
  2. Step 2: Convert to fraction form
    56,037.25/77,333.03 = 30,888.37/x
  3. Step 3: Cross multiply
    56,037.25x = 77,333.03 × 30,888.37
  4. Step 4: Simplify right side
    56,037.25x = 2,388,691,243.86
  5. Step 5: Solve for x
    x = 2,388,691,243.86/56,037.25
  6. Step 6: Final answer
    x = 42,626.85

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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.