Home / 63,033.77-94,561.91-20,916.38

Finding the Fourth Proportional to 63,033.77, 94,561.91 and 20,916.38

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Solution

The fourth proportional to 63,033.77, 94,561.91 and 20,916.38 is: 31,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,033.77 : 94,561.91 = 20,916.38 : x
  2. Step 2: Convert to fraction form
    63,033.77/94,561.91 = 20,916.38/x
  3. Step 3: Cross multiply
    63,033.77x = 94,561.91 × 20,916.38
  4. Step 4: Simplify right side
    63,033.77x = 1,977,892,265.69
  5. Step 5: Solve for x
    x = 1,977,892,265.69/63,033.77
  6. Step 6: Final answer
    x = 31,378.30

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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.