Home / 33,330.29-50,013.88-19,970.45

Finding the Fourth Proportional to 33,330.29, 50,013.88 and 19,970.45

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Solution

The fourth proportional to 33,330.29, 50,013.88 and 19,970.45 is: 29,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,330.29 : 50,013.88 = 19,970.45 : x
  2. Step 2: Convert to fraction form
    33,330.29/50,013.88 = 19,970.45/x
  3. Step 3: Cross multiply
    33,330.29x = 50,013.88 × 19,970.45
  4. Step 4: Simplify right side
    33,330.29x = 998,799,577.40
  5. Step 5: Solve for x
    x = 998,799,577.40/33,330.29
  6. Step 6: Final answer
    x = 29,966.73

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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.