Home / 31,620.83-43,635.02-17,472.77

Finding the Fourth Proportional to 31,620.83, 43,635.02 and 17,472.77

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Solution

The fourth proportional to 31,620.83, 43,635.02 and 17,472.77 is: 24,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.83 : 43,635.02 = 17,472.77 : x
  2. Step 2: Convert to fraction form
    31,620.83/43,635.02 = 17,472.77/x
  3. Step 3: Cross multiply
    31,620.83x = 43,635.02 × 17,472.77
  4. Step 4: Simplify right side
    31,620.83x = 762,424,493.91
  5. Step 5: Solve for x
    x = 762,424,493.91/31,620.83
  6. Step 6: Final answer
    x = 24,111.47

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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.