Home / 75,852.45-113,780.40-19,694.79

Finding the Fourth Proportional to 75,852.45, 113,780.40 and 19,694.79

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Solution

The fourth proportional to 75,852.45, 113,780.40 and 19,694.79 is: 29,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,852.45 : 113,780.40 = 19,694.79 : x
  2. Step 2: Convert to fraction form
    75,852.45/113,780.40 = 19,694.79/x
  3. Step 3: Cross multiply
    75,852.45x = 113,780.40 × 19,694.79
  4. Step 4: Simplify right side
    75,852.45x = 2,240,881,084.12
  5. Step 5: Solve for x
    x = 2,240,881,084.12/75,852.45
  6. Step 6: Final answer
    x = 29,542.63

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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.