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Finding the Fourth Proportional to 57,853.02, 79,837.47 and 33,668.31

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Solution

The fourth proportional to 57,853.02, 79,837.47 and 33,668.31 is: 46,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,853.02 : 79,837.47 = 33,668.31 : x
  2. Step 2: Convert to fraction form
    57,853.02/79,837.47 = 33,668.31/x
  3. Step 3: Cross multiply
    57,853.02x = 79,837.47 × 33,668.31
  4. Step 4: Simplify right side
    57,853.02x = 2,687,992,689.58
  5. Step 5: Solve for x
    x = 2,687,992,689.58/57,853.02
  6. Step 6: Final answer
    x = 46,462.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.