Home / 31,730.46-43,767.51-25,005.66

Finding the Fourth Proportional to 31,730.46, 43,767.51 and 25,005.66

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Solution

The fourth proportional to 31,730.46, 43,767.51 and 25,005.66 is: 34,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730.46 : 43,767.51 = 25,005.66 : x
  2. Step 2: Convert to fraction form
    31,730.46/43,767.51 = 25,005.66/x
  3. Step 3: Cross multiply
    31,730.46x = 43,767.51 × 25,005.66
  4. Step 4: Simplify right side
    31,730.46x = 1,094,435,474.11
  5. Step 5: Solve for x
    x = 1,094,435,474.11/31,730.46
  6. Step 6: Final answer
    x = 34,491.64

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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.