Home / 40,287.33-60,431.04-15,321.51

Finding the Fourth Proportional to 40,287.33, 60,431.04 and 15,321.51

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Solution

The fourth proportional to 40,287.33, 60,431.04 and 15,321.51 is: 22,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287.33 : 60,431.04 = 15,321.51 : x
  2. Step 2: Convert to fraction form
    40,287.33/60,431.04 = 15,321.51/x
  3. Step 3: Cross multiply
    40,287.33x = 60,431.04 × 15,321.51
  4. Step 4: Simplify right side
    40,287.33x = 925,894,783.67
  5. Step 5: Solve for x
    x = 925,894,783.67/40,287.33
  6. Step 6: Final answer
    x = 22,982.28

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1.5x scale

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.