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Finding the Fourth Proportional to 56,635.79, 84,900.62 and 19,169.64

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Solution

The fourth proportional to 56,635.79, 84,900.62 and 19,169.64 is: 28,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,635.79 : 84,900.62 = 19,169.64 : x
  2. Step 2: Convert to fraction form
    56,635.79/84,900.62 = 19,169.64/x
  3. Step 3: Cross multiply
    56,635.79x = 84,900.62 × 19,169.64
  4. Step 4: Simplify right side
    56,635.79x = 1,627,514,369.10
  5. Step 5: Solve for x
    x = 1,627,514,369.10/56,635.79
  6. Step 6: Final answer
    x = 28,736.50

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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.