Home / 70,576.24-105,861.84-17,985.28

Finding the Fourth Proportional to 70,576.24, 105,861.84 and 17,985.28

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Solution

The fourth proportional to 70,576.24, 105,861.84 and 17,985.28 is: 26,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,576.24 : 105,861.84 = 17,985.28 : x
  2. Step 2: Convert to fraction form
    70,576.24/105,861.84 = 17,985.28/x
  3. Step 3: Cross multiply
    70,576.24x = 105,861.84 × 17,985.28
  4. Step 4: Simplify right side
    70,576.24x = 1,903,954,833.72
  5. Step 5: Solve for x
    x = 1,903,954,833.72/70,576.24
  6. Step 6: Final answer
    x = 26,977.28

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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.