Home / 56,184.58-77,531.75-30,690.57

Finding the Fourth Proportional to 56,184.58, 77,531.75 and 30,690.57

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Solution

The fourth proportional to 56,184.58, 77,531.75 and 30,690.57 is: 42,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,184.58 : 77,531.75 = 30,690.57 : x
  2. Step 2: Convert to fraction form
    56,184.58/77,531.75 = 30,690.57/x
  3. Step 3: Cross multiply
    56,184.58x = 77,531.75 × 30,690.57
  4. Step 4: Simplify right side
    56,184.58x = 2,379,493,447.14
  5. Step 5: Solve for x
    x = 2,379,493,447.14/56,184.58
  6. Step 6: Final answer
    x = 42,351.37

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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.