Home / 57,456.29-79,291.30-31,963.47

Finding the Fourth Proportional to 57,456.29, 79,291.30 and 31,963.47

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Solution

The fourth proportional to 57,456.29, 79,291.30 and 31,963.47 is: 44,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,456.29 : 79,291.30 = 31,963.47 : x
  2. Step 2: Convert to fraction form
    57,456.29/79,291.30 = 31,963.47/x
  3. Step 3: Cross multiply
    57,456.29x = 79,291.30 × 31,963.47
  4. Step 4: Simplify right side
    57,456.29x = 2,534,424,771.49
  5. Step 5: Solve for x
    x = 2,534,424,771.49/57,456.29
  6. Step 6: Final answer
    x = 44,110.48

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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.