Home / 53,331.52-79,997.28-20,476.48

Finding the Fourth Proportional to 53,331.52, 79,997.28 and 20,476.48

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Solution

The fourth proportional to 53,331.52, 79,997.28 and 20,476.48 is: 30,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,331.52 : 79,997.28 = 20,476.48 : x
  2. Step 2: Convert to fraction form
    53,331.52/79,997.28 = 20,476.48/x
  3. Step 3: Cross multiply
    53,331.52x = 79,997.28 × 20,476.48
  4. Step 4: Simplify right side
    53,331.52x = 1,638,062,703.97
  5. Step 5: Solve for x
    x = 1,638,062,703.97/53,331.52
  6. Step 6: Final answer
    x = 30,714.72

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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.