Home / 31,767.29-47,590.79-21,205.46

Finding the Fourth Proportional to 31,767.29, 47,590.79 and 21,205.46

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Solution

The fourth proportional to 31,767.29, 47,590.79 and 21,205.46 is: 31,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,767.29 : 47,590.79 = 21,205.46 : x
  2. Step 2: Convert to fraction form
    31,767.29/47,590.79 = 21,205.46/x
  3. Step 3: Cross multiply
    31,767.29x = 47,590.79 × 21,205.46
  4. Step 4: Simplify right side
    31,767.29x = 1,009,184,725.94
  5. Step 5: Solve for x
    x = 1,009,184,725.94/31,767.29
  6. Step 6: Final answer
    x = 31,768.05

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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.