Home / 31,688.77-43,730.44-17,541.61

Finding the Fourth Proportional to 31,688.77, 43,730.44 and 17,541.61

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Solution

The fourth proportional to 31,688.77, 43,730.44 and 17,541.61 is: 24,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.77 : 43,730.44 = 17,541.61 : x
  2. Step 2: Convert to fraction form
    31,688.77/43,730.44 = 17,541.61/x
  3. Step 3: Cross multiply
    31,688.77x = 43,730.44 × 17,541.61
  4. Step 4: Simplify right side
    31,688.77x = 767,102,104.96
  5. Step 5: Solve for x
    x = 767,102,104.96/31,688.77
  6. Step 6: Final answer
    x = 24,207.38

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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.