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Finding the Fourth Proportional to 56,591.75, 84,834.86 and 19,125.62

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Solution

The fourth proportional to 56,591.75, 84,834.86 and 19,125.62 is: 28,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,591.75 : 84,834.86 = 19,125.62 : x
  2. Step 2: Convert to fraction form
    56,591.75/84,834.86 = 19,125.62/x
  3. Step 3: Cross multiply
    56,591.75x = 84,834.86 × 19,125.62
  4. Step 4: Simplify right side
    56,591.75x = 1,622,519,247.30
  5. Step 5: Solve for x
    x = 1,622,519,247.30/56,591.75
  6. Step 6: Final answer
    x = 28,670.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.