Home / 40,001.67-55,202.33-21,852.64

Finding the Fourth Proportional to 40,001.67, 55,202.33 and 21,852.64

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Solution

The fourth proportional to 40,001.67, 55,202.33 and 21,852.64 is: 30,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001.67 : 55,202.33 = 21,852.64 : x
  2. Step 2: Convert to fraction form
    40,001.67/55,202.33 = 21,852.64/x
  3. Step 3: Cross multiply
    40,001.67x = 55,202.33 × 21,852.64
  4. Step 4: Simplify right side
    40,001.67x = 1,206,316,644.65
  5. Step 5: Solve for x
    x = 1,206,316,644.65/40,001.67
  6. Step 6: Final answer
    x = 30,156.66

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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.