Home / 53,805.42-80,690.76-19,606.32

Finding the Fourth Proportional to 53,805.42, 80,690.76 and 19,606.32

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Solution

The fourth proportional to 53,805.42, 80,690.76 and 19,606.32 is: 29,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,805.42 : 80,690.76 = 19,606.32 : x
  2. Step 2: Convert to fraction form
    53,805.42/80,690.76 = 19,606.32/x
  3. Step 3: Cross multiply
    53,805.42x = 80,690.76 × 19,606.32
  4. Step 4: Simplify right side
    53,805.42x = 1,582,048,861.60
  5. Step 5: Solve for x
    x = 1,582,048,861.60/53,805.42
  6. Step 6: Final answer
    x = 29,403.15

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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.