Home / 69,637.88-96,099.24-39,428.96

Finding the Fourth Proportional to 69,637.88, 96,099.24 and 39,428.96

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Solution

The fourth proportional to 69,637.88, 96,099.24 and 39,428.96 is: 54,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,637.88 : 96,099.24 = 39,428.96 : x
  2. Step 2: Convert to fraction form
    69,637.88/96,099.24 = 39,428.96/x
  3. Step 3: Cross multiply
    69,637.88x = 96,099.24 × 39,428.96
  4. Step 4: Simplify right side
    69,637.88x = 3,789,093,089.99
  5. Step 5: Solve for x
    x = 3,789,093,089.99/69,637.88
  6. Step 6: Final answer
    x = 54,411.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.