Home / 70,390.31-105,566.94-26,029.76

Finding the Fourth Proportional to 70,390.31, 105,566.94 and 26,029.76

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Solution

The fourth proportional to 70,390.31, 105,566.94 and 26,029.76 is: 39,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,390.31 : 105,566.94 = 26,029.76 : x
  2. Step 2: Convert to fraction form
    70,390.31/105,566.94 = 26,029.76/x
  3. Step 3: Cross multiply
    70,390.31x = 105,566.94 × 26,029.76
  4. Step 4: Simplify right side
    70,390.31x = 2,747,881,584.30
  5. Step 5: Solve for x
    x = 2,747,881,584.30/70,390.31
  6. Step 6: Final answer
    x = 39,037.78

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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.