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Finding the Fourth Proportional to 53,308.92, 79,963.02 and 17,772.96

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Solution

The fourth proportional to 53,308.92, 79,963.02 and 17,772.96 is: 26,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.92 : 79,963.02 = 17,772.96 : x
  2. Step 2: Convert to fraction form
    53,308.92/79,963.02 = 17,772.96/x
  3. Step 3: Cross multiply
    53,308.92x = 79,963.02 × 17,772.96
  4. Step 4: Simplify right side
    53,308.92x = 1,421,179,555.94
  5. Step 5: Solve for x
    x = 1,421,179,555.94/53,308.92
  6. Step 6: Final answer
    x = 26,659.32

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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.