Home / 70,537.73-105,808.21-17,947.67

Finding the Fourth Proportional to 70,537.73, 105,808.21 and 17,947.67

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Solution

The fourth proportional to 70,537.73, 105,808.21 and 17,947.67 is: 26,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,537.73 : 105,808.21 = 17,947.67 : x
  2. Step 2: Convert to fraction form
    70,537.73/105,808.21 = 17,947.67/x
  3. Step 3: Cross multiply
    70,537.73x = 105,808.21 × 17,947.67
  4. Step 4: Simplify right side
    70,537.73x = 1,899,010,262.46
  5. Step 5: Solve for x
    x = 1,899,010,262.46/70,537.73
  6. Step 6: Final answer
    x = 26,921.91

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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.