Home / 31,988.73-44,162.52-21,252.03

Finding the Fourth Proportional to 31,988.73, 44,162.52 and 21,252.03

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Solution

The fourth proportional to 31,988.73, 44,162.52 and 21,252.03 is: 29,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.73 : 44,162.52 = 21,252.03 : x
  2. Step 2: Convert to fraction form
    31,988.73/44,162.52 = 21,252.03/x
  3. Step 3: Cross multiply
    31,988.73x = 44,162.52 × 21,252.03
  4. Step 4: Simplify right side
    31,988.73x = 938,543,199.92
  5. Step 5: Solve for x
    x = 938,543,199.92/31,988.73
  6. Step 6: Final answer
    x = 29,339.81

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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.