Home / 31,585.16-47,377.64-21,694.46

Finding the Fourth Proportional to 31,585.16, 47,377.64 and 21,694.46

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Solution

The fourth proportional to 31,585.16, 47,377.64 and 21,694.46 is: 32,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.16 : 47,377.64 = 21,694.46 : x
  2. Step 2: Convert to fraction form
    31,585.16/47,377.64 = 21,694.46/x
  3. Step 3: Cross multiply
    31,585.16x = 47,377.64 × 21,694.46
  4. Step 4: Simplify right side
    31,585.16x = 1,027,832,133.22
  5. Step 5: Solve for x
    x = 1,027,832,133.22/31,585.16
  6. Step 6: Final answer
    x = 32,541.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.