Home / 70,437.09-105,661.79-17,846.57

Finding the Fourth Proportional to 70,437.09, 105,661.79 and 17,846.57

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Solution

The fourth proportional to 70,437.09, 105,661.79 and 17,846.57 is: 26,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,437.09 : 105,661.79 = 17,846.57 : x
  2. Step 2: Convert to fraction form
    70,437.09/105,661.79 = 17,846.57/x
  3. Step 3: Cross multiply
    70,437.09x = 105,661.79 × 17,846.57
  4. Step 4: Simplify right side
    70,437.09x = 1,885,700,838.56
  5. Step 5: Solve for x
    x = 1,885,700,838.56/70,437.09
  6. Step 6: Final answer
    x = 26,771.42

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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.