Home / 30,222.88-41,693.04-19,615.84

Finding the Fourth Proportional to 30,222.88, 41,693.04 and 19,615.84

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Solution

The fourth proportional to 30,222.88, 41,693.04 and 19,615.84 is: 27,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.88 : 41,693.04 = 19,615.84 : x
  2. Step 2: Convert to fraction form
    30,222.88/41,693.04 = 19,615.84/x
  3. Step 3: Cross multiply
    30,222.88x = 41,693.04 × 19,615.84
  4. Step 4: Simplify right side
    30,222.88x = 817,844,001.75
  5. Step 5: Solve for x
    x = 817,844,001.75/30,222.88
  6. Step 6: Final answer
    x = 27,060.43

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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.