Home / 31,062.33-46,575.54-21,213.54

Finding the Fourth Proportional to 31,062.33, 46,575.54 and 21,213.54

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Solution

The fourth proportional to 31,062.33, 46,575.54 and 21,213.54 is: 31,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,062.33 : 46,575.54 = 21,213.54 : x
  2. Step 2: Convert to fraction form
    31,062.33/46,575.54 = 21,213.54/x
  3. Step 3: Cross multiply
    31,062.33x = 46,575.54 × 21,213.54
  4. Step 4: Simplify right side
    31,062.33x = 988,032,080.81
  5. Step 5: Solve for x
    x = 988,032,080.81/31,062.33
  6. Step 6: Final answer
    x = 31,808.05

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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.